Move instantiateTemplateAttribute into the sema namespace, make helpers static.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149864 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index a957f25..3cf816a 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -100,8 +100,8 @@
         Saved = CurrentInstantiationScope->cloneScopes(OuterMostScope);
       LateAttrs->push_back(LateInstantiatedAttribute(TmplAttr, Saved, New));
     } else {
-      Attr *NewAttr =
-        instantiateTemplateAttribute(TmplAttr, Context, *this, TemplateArgs);
+      Attr *NewAttr = sema::instantiateTemplateAttribute(TmplAttr, Context,
+                                                         *this, TemplateArgs);
       New->addAttr(NewAttr);
     }
   }