Another fixit for r146633 (to make debian-fnt bot happy), try including limits instead.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146637 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Frontend/VerifyDiagnosticConsumer.cpp

@@ -18,7 +18,7 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Support/Regex.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/DataTypes.h"
+#include <limits>
 
 using namespace clang;