Change arg type.

llvm-svn: 109218
diff --git a/clang/lib/Checker/GRState.cpp b/clang/lib/Checker/GRState.cpp
index 67b3dfe..69470bb 100644
--- a/clang/lib/Checker/GRState.cpp
+++ b/clang/lib/Checker/GRState.cpp
@@ -58,7 +58,7 @@
 }
 
 const GRState *GRStateManager::MarshalState(const GRState *state,
-                                            const LocationContext *InitLoc) {
+                                            const StackFrameContext *InitLoc) {
   // make up an empty state for now.
   GRState State(this,
                 EnvMgr.getInitialEnvironment(),