Merge System into Support.

llvm-svn: 120298
diff --git a/llvm/lib/Archive/ArchiveInternals.h b/llvm/lib/Archive/ArchiveInternals.h
index 08f20e7..55684f7 100644
--- a/llvm/lib/Archive/ArchiveInternals.h
+++ b/llvm/lib/Archive/ArchiveInternals.h
@@ -15,7 +15,7 @@
 #define LIB_ARCHIVE_ARCHIVEINTERNALS_H
 
 #include "llvm/Bitcode/Archive.h"
-#include "llvm/System/TimeValue.h"
+#include "llvm/Support/TimeValue.h"
 #include "llvm/ADT/StringExtras.h"
 
 #include <cstring>