Don't use '%ll', this doesn't workin on Win32.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80933 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 5550547..90e5bde 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -211,7 +211,9 @@
   else
     MaxVal = ~0LL >> (64-TypeWidth);
   
-  sprintf(MacroBuf, "%s=%llu%s", MacroName, MaxVal, ValSuffix);
+  // FIXME: Switch to using raw_ostream and avoid utostr().
+  sprintf(MacroBuf, "%s=%s%s", MacroName, llvm::utostr(MaxVal).c_str(),
+          ValSuffix);
   DefineBuiltinMacro(Buf, MacroBuf);
 }