Removed trailing whitespace in C source and header files.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11052 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_error.c b/drd/drd_error.c
index b46fc7f..2c10703 100644
--- a/drd/drd_error.c
+++ b/drd/drd_error.c
@@ -190,7 +190,7 @@
 /**
  * Compare two error contexts. The core function VG_(maybe_record_error)()
  * calls this function to compare error contexts such that errors that occur
- * repeatedly are only printed once. This function is only called by the core 
+ * repeatedly are only printed once. This function is only called by the core
  * if the error kind of e1 and e2 matches and if the ExeContext's of e1 and
  * e2 also match.
  */