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

llvm-svn: 122423
diff --git a/clang/lib/GR/Checkers/ObjCUnusedIVarsChecker.cpp b/clang/lib/GR/Checkers/ObjCUnusedIVarsChecker.cpp
index e3f5d56..611914f 100644
--- a/clang/lib/GR/Checkers/ObjCUnusedIVarsChecker.cpp
+++ b/clang/lib/GR/Checkers/ObjCUnusedIVarsChecker.cpp
@@ -23,6 +23,7 @@
 #include "clang/Basic/SourceManager.h"
 
 using namespace clang;
+using namespace GR;
 
 enum IVarState { Unused, Used };
 typedef llvm::DenseMap<const ObjCIvarDecl*,IVarState> IvarUsageMap;
@@ -97,7 +98,7 @@
     }
 }
 
-void clang::CheckObjCUnusedIvar(const ObjCImplementationDecl *D,
+void GR::CheckObjCUnusedIvar(const ObjCImplementationDecl *D,
                                 BugReporter &BR) {
 
   const ObjCInterfaceDecl* ID = D->getClassInterface();