Address comments from Doug - Add a Sema::SemaRef.BuildBlockPointerType and use it.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73264 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index c54b594..09b3162 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -352,6 +352,8 @@
   QualType BuildMemberPointerType(QualType T, QualType Class, 
                                   unsigned Quals, SourceLocation Loc, 
                                   DeclarationName Entity);
+  QualType BuildBlockPointerType(QualType T, unsigned Quals,
+                                 SourceLocation Loc, DeclarationName Entity);
   QualType GetTypeForDeclarator(Declarator &D, Scope *S, unsigned Skip = 0,
                                 TagDecl **OwnedDecl = 0);
   DeclarationName GetNameForDeclarator(Declarator &D);