Switch the ObjC*Decl raw_stream overloads to take a reference, for consistency with NamedDecls.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149981 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Mangle.cpp b/lib/AST/Mangle.cpp
index c1f762b..73c9f57 100644
--- a/lib/AST/Mangle.cpp
+++ b/lib/AST/Mangle.cpp
@@ -124,7 +124,7 @@
   assert (CD && "Missing container decl in GetNameForMethod");
   OS << (MD->isInstanceMethod() ? '-' : '+') << '[' << CD->getName();
   if (const ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(CD))
-    OS << '(' << CID << ')';
+    OS << '(' << *CID << ')';
   OS << ' ' << MD->getSelector().getAsString() << ']';
   
   Out << OS.str().size() << OS.str();