Use getNamedGlobal instead of getGlobalVariable. (Fixes self-host).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99385 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGVTT.cpp b/lib/CodeGen/CGVTT.cpp
index b7b24b8..66a9696 100644
--- a/lib/CodeGen/CGVTT.cpp
+++ b/lib/CodeGen/CGVTT.cpp
@@ -268,7 +268,7 @@
       GenerateDefinition(GenerateDefinition) {
     
     // First comes the primary virtual table pointer for the complete class...
-    ClassVtbl = GenerateDefinition ? CGM.getVTables().getAddrOfVTable(Class) :0;
+    ClassVtbl = GenerateDefinition ? CGM.getVTables().GetAddrOfVTable(Class) :0;
 
     llvm::Constant *Init = BuildVtablePtr(ClassVtbl, Class, Class, 0);
     Inits.push_back(Init);