Alter the interface of GetTypeForDeclarator to return a TypeSourceInfo*.
This is never null, but the associated type might be.

llvm-svn: 105503
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 6e7bb07..9aa8781 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -44,6 +44,7 @@
   NSConstantStringTypeDecl(0),
   ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0),
   sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0),
+  NullTypeSourceInfo(QualType()),
   SourceMgr(SM), LangOpts(LOpts), FreeMemory(FreeMem), Target(t),
   Idents(idents), Selectors(sels),
   BuiltinInfo(builtins),