Fixing whitespace problems

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/cstdarg b/include/cstdarg
index 926a38f..ccff0d6 100644
--- a/include/cstdarg
+++ b/include/cstdarg
@@ -20,7 +20,7 @@
     void va_copy(va_list dest, va_list src);  // C99
     void va_end(va_list ap);
     void va_start(va_list ap, parmN);
- 
+
 namespace std
 {