Support '%p' format specifier with block pointers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152839 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/FormatString.cpp b/lib/Analysis/FormatString.cpp
index dd2f240..ba45865 100644
--- a/lib/Analysis/FormatString.cpp
+++ b/lib/Analysis/FormatString.cpp
@@ -337,7 +337,7 @@
 
     case CPointerTy:
       return argTy->isPointerType() || argTy->isObjCObjectPointerType() ||
-        argTy->isNullPtrType();
+             argTy->isBlockPointerType() || argTy->isNullPtrType();
 
     case ObjCPointerTy: {
       if (argTy->getAs<ObjCObjectPointerType>() ||