[analyzer] Refactoring: Drop the 'GR' prefix.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122424 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/GR/BugReporter.cpp b/lib/GR/BugReporter.cpp
index 4321823..dedbd70 100644
--- a/lib/GR/BugReporter.cpp
+++ b/lib/GR/BugReporter.cpp
@@ -14,7 +14,7 @@
 
 #include "clang/GR/BugReporter/BugReporter.h"
 #include "clang/GR/BugReporter/BugType.h"
-#include "clang/GR/PathSensitive/GRExprEngine.h"
+#include "clang/GR/PathSensitive/ExprEngine.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/Analysis/CFG.h"
 #include "clang/AST/Expr.h"