Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-upgrade/UpgradeInternals.h b/tools/llvm-upgrade/UpgradeInternals.h
index 199e5cf..c3d816b 100644
--- a/tools/llvm-upgrade/UpgradeInternals.h
+++ b/tools/llvm-upgrade/UpgradeInternals.h
@@ -22,7 +22,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include <list>
 #include <iostream>
-
+#include <cstring>
 
 // Global variables exported from the lexer.
 extern int yydebug;