develop revert source to clang-format version 11 (#293)

* OESS-98 convert plugin option to FetchContent, add tests

* Fixes for pkcfg files because of plugin option

* OESS-98 fix tools test for plugins

* Keep doxygen comments under 100 chars long - format hint

* Whitespace

* HDFFV-11144 - Reclassify CMake messages

* HDFFV-11099/11100 added help text

* Reworked switch statement to compare string instead

* Fix typo

* Update CDash mode

* Correct name of threadsafe

* Correct option name

* Undo accidental commit

* Note LLVM 10 to 11 format default changes

* Update format plugin

* Undo clang-format version 11 changes

* One more correction

1 files changed, 10 insertions, 10 deletions

diff --git a/src/H5TS.c b/src/H5TS.c
index 732f41c..6c4bb63 100644
--- a/src/H5TS.c
+++ b/src/H5TS.c
@@ -70,7 +70,7 @@ static herr_t H5TS__mutex_unlock(H5TS_mutex_t *mutex, unsigned int *lock_count);
 /* Global variable definitions */
 #ifdef H5_HAVE_WIN_THREADS
 H5TS_once_t H5TS_first_init_g;
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
 H5TS_once_t H5TS_first_init_g = PTHREAD_ONCE_INIT;
 #endif /* H5_HAVE_WIN_THREADS */
 
@@ -78,8 +78,8 @@ H5TS_once_t H5TS_first_init_g = PTHREAD_ONCE_INIT;
 H5TS_key_t H5TS_errstk_key_g; /* Error stack */
 #ifdef H5_HAVE_CODESTACK
 H5TS_key_t H5TS_funcstk_key_g; /* Function stack */
-#endif /* H5_HAVE_CODESTACK */
-H5TS_key_t H5TS_apictx_key_g; /* API context */
+#endif                         /* H5_HAVE_CODESTACK */
+H5TS_key_t H5TS_apictx_key_g;  /* API context */
 
 /*******************/
 /* Local Variables */
@@ -356,7 +356,7 @@ H5TS__mutex_acquire(H5TS_mutex_t *mutex, unsigned int lock_count, hbool_t *acqui
 #ifdef H5_HAVE_WIN_THREADS
     EnterCriticalSection(&mutex->CriticalSection);
     *acquired = TRUE;
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
     /* Attempt to acquire the mutex lock */
     if (0 == HDpthread_mutex_lock(&mutex->atomic_lock)) {
         pthread_t my_thread_id = HDpthread_self();
@@ -441,7 +441,7 @@ herr_t H5TS_mutex_lock(H5TS_mutex_t *mutex)
 
 #ifdef H5_HAVE_WIN_THREADS
     EnterCriticalSection(&mutex->CriticalSection);
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
     /* Acquire the "attempt" lock, increment the attempt lock count, release the lock */
     ret_value = HDpthread_mutex_lock(&mutex->atomic_lock2);
     if (ret_value)
@@ -507,7 +507,7 @@ H5TS__mutex_unlock(H5TS_mutex_t *mutex, unsigned int *lock_count)
 #ifdef H5_HAVE_WIN_THREADS
     /* Releases ownership of the specified critical section object. */
     LeaveCriticalSection(&mutex->CriticalSection);
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
 
     /* Reset the lock count for this thread */
     ret_value = HDpthread_mutex_lock(&mutex->atomic_lock);
@@ -563,7 +563,7 @@ H5TS_mutex_unlock(H5TS_mutex_t *mutex)
 #ifdef H5_HAVE_WIN_THREADS
     /* Releases ownership of the specified critical section object. */
     LeaveCriticalSection(&mutex->CriticalSection);
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
 
     /* Decrement the lock count for this thread */
     ret_value = HDpthread_mutex_lock(&mutex->atomic_lock);
@@ -610,7 +610,7 @@ H5TSmutex_get_attempt_count(unsigned int *count)
 
 #ifdef H5_HAVE_WIN_THREADS
     /* Add Win32 equivalent here when async is supported */
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
     ret_value = HDpthread_mutex_lock(&H5_g.init_lock.atomic_lock2);
     if (ret_value)
         HGOTO_DONE(ret_value);
@@ -689,7 +689,7 @@ H5TS_cancel_count_inc(void)
 
 #ifdef H5_HAVE_WIN_THREADS
     /* unsupported */
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
     /* Acquire the thread's cancellation counter */
     cancel_counter = (H5TS_cancel_t *)H5TS_get_thread_local_value(H5TS_cancel_key_s);
 
@@ -763,7 +763,7 @@ H5TS_cancel_count_dec(void)
 
 #ifdef H5_HAVE_WIN_THREADS
     /* unsupported */
-#else /* H5_HAVE_WIN_THREADS */
+#else  /* H5_HAVE_WIN_THREADS */
     /* Acquire the thread's cancellation counter */
     cancel_counter = (H5TS_cancel_t *)H5TS_get_thread_local_value(H5TS_cancel_key_s);