[analyzer] Refactoring: Move stuff into namespace 'GR'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122423 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/GR/Checkers/ObjCAtSyncChecker.cpp b/lib/GR/Checkers/ObjCAtSyncChecker.cpp
index c95df4e..a393862 100644
--- a/lib/GR/Checkers/ObjCAtSyncChecker.cpp
+++ b/lib/GR/Checkers/ObjCAtSyncChecker.cpp
@@ -19,6 +19,7 @@
 #include "clang/GR/PathSensitive/GRExprEngine.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 class ObjCAtSyncChecker : public CheckerVisitor<ObjCAtSyncChecker> {
@@ -32,7 +33,7 @@
 };
 } // end anonymous namespace
 
-void clang::RegisterObjCAtSyncChecker(GRExprEngine &Eng) {
+void GR::RegisterObjCAtSyncChecker(GRExprEngine &Eng) {
   // @synchronized is an Objective-C 2 feature.
   if (Eng.getContext().getLangOptions().ObjC2)
     Eng.registerCheck(new ObjCAtSyncChecker());