Fixing whitespace problems

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/csignal b/include/csignal
index aef1c04..959f8b8 100644
--- a/include/csignal
+++ b/include/csignal
@@ -25,7 +25,7 @@
     SIGINT
     SIGSEGV
     SIGTERM
- 
+
 namespace std
 {