[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/PthreadLockChecker.cpp b/lib/GR/Checkers/PthreadLockChecker.cpp
index 32f2f57..d880b06 100644
--- a/lib/GR/Checkers/PthreadLockChecker.cpp
+++ b/lib/GR/Checkers/PthreadLockChecker.cpp
@@ -19,6 +19,7 @@
 #include "llvm/ADT/ImmutableSet.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 class PthreadLockChecker
@@ -44,13 +45,15 @@
 // GDM Entry for tracking lock state.
 namespace { class LockSet {}; }
 namespace clang {
+namespace GR {
 template <> struct GRStateTrait<LockSet> :
   public GRStatePartialTrait<llvm::ImmutableSet<const MemRegion*> > {
     static void* GDMIndex() { return PthreadLockChecker::getTag(); }
 };
+} // end GR namespace
 } // end clang namespace
 
-void clang::RegisterPthreadLockChecker(GRExprEngine &Eng) {
+void GR::RegisterPthreadLockChecker(GRExprEngine &Eng) {
   Eng.registerCheck(new PthreadLockChecker());
 }