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

llvm-svn: 122423
diff --git a/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h b/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h
index 6ad850b..7fdccdc 100644
--- a/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h
+++ b/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h
@@ -13,19 +13,24 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_CLANG_ANALYSIS_BASICOBJCFOUNDATIONCHECKS
-#define LLVM_CLANG_ANALYSIS_BASICOBJCFOUNDATIONCHECKS
+#ifndef LLVM_CLANG_GR_BASICOBJCFOUNDATIONCHECKS
+#define LLVM_CLANG_GR_BASICOBJCFOUNDATIONCHECKS
 
 namespace clang {
 
 class ASTContext;
-class BugReporter;
 class Decl;
+
+namespace GR {
+
+class BugReporter;
 class GRExprEngine;
 
 void RegisterNSErrorChecks(BugReporter& BR, GRExprEngine &Eng, const Decl &D);
 void RegisterNSAutoreleasePoolChecks(GRExprEngine &Eng);
 
+} // end GR namespace
+
 } // end clang namespace
 
 #endif