[svn-r27626] Various minor warning fixes before major SWMR and VDS merges.

gcc 4.9.2 was used to create the warning list

- implicit casts
- shadowed variables
- various enum issues
- other minor fixes (comments, unused macros, etc.)

Tested on: h5committest

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perform/sio_engine.c b/tools/perform/sio_engine.c
index 3b28ea7..5622810 100644
--- a/tools/perform/sio_engine.c
+++ b/tools/perform/sio_engine.c
@@ -181,7 +181,7 @@ do_sio(parameters param)
     }
 
     /* Allocate transfer buffer */
-    if ((buffer = malloc(linear_buf_size)) == NULL){
+    if ((buffer = (char *)malloc(linear_buf_size)) == NULL){
         HDfprintf(stderr, "malloc for transfer buffer size (%zu) failed\n", linear_buf_size);
         GOTOERROR(FAIL);
     }