[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/CallAndMessageChecker.cpp b/lib/GR/Checkers/CallAndMessageChecker.cpp
index e68569c..8b8f75f 100644
--- a/lib/GR/Checkers/CallAndMessageChecker.cpp
+++ b/lib/GR/Checkers/CallAndMessageChecker.cpp
@@ -19,6 +19,7 @@
 #include "clang/GR/PathSensitive/CheckerVisitor.h"
 
 using namespace clang;
+using namespace GR;
 
 namespace {
 class CallAndMessageChecker
@@ -61,7 +62,7 @@
 };
 } // end anonymous namespace
 
-void clang::RegisterCallAndMessageChecker(GRExprEngine &Eng) {
+void GR::RegisterCallAndMessageChecker(GRExprEngine &Eng) {
   Eng.registerCheck(new CallAndMessageChecker());
 }