Remove trailing whitespace from most CMake and C/C++ code

Our Git commit hooks disallow modification or addition of lines with
trailing whitespace.  Wipe out all remnants of trailing whitespace
everywhere except third-party code.

Run the following shell code:

git ls-files -z -- \
 bootstrap doxygen.config '*.readme' \
 '*.c' '*.cmake' '*.cpp' '*.cxx' \
 '*.el' '*.f' '*.f90' '*.h' '*.in' '*.in.l' '*.java' \
 '*.mm' '*.pike' '*.py' '*.txt' '*.vim' |
egrep -z -v '^(Utilities/cm|Source/(kwsys|CursesDialog/form)/)' |
egrep -z -v '^(Modules/CPack\..*\.in)' |
xargs -0 sed -i 's/ \+$//'

1 files changed, 4 insertions, 4 deletions

diff --git a/Source/cmSubdirCommand.h b/Source/cmSubdirCommand.h
index eedbfff..618d5ff 100644
--- a/Source/cmSubdirCommand.h
+++ b/Source/cmSubdirCommand.h
@@ -27,7 +27,7 @@ public:
   /**
    * This is a virtual constructor for the command.
    */
-  virtual cmCommand* Clone() 
+  virtual cmCommand* Clone()
     {
     return new cmSubdirCommand;
     }
@@ -51,7 +51,7 @@ public:
     {
     return "Deprecated. Use the add_subdirectory() command instead.";
     }
-  
+
   /**
    * More documentation.
    */
@@ -68,7 +68,7 @@ public:
       "This will cause any CMakeLists.txt files in the sub directories "
       "to be processed by CMake.  Any directories after the PREORDER flag "
       "are traversed first by makefile builds, the PREORDER flag has no "
-      "effect on IDE projects. " 
+      "effect on IDE projects. "
       " Any directories after the EXCLUDE_FROM_ALL marker "
       "will not be included in the top level makefile or project file. "
       "This is useful for having CMake create makefiles or projects for "
@@ -77,7 +77,7 @@ public:
       "the same time, but you would not want them to show up in the "
       "top level project or be built each time make is run from the top.";
     }
-  
+
   /** This command is kept for compatibility with older CMake versions. */
   virtual bool IsDiscouraged() const
     {