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

llvm-svn: 122424
diff --git a/clang/lib/GR/SimpleSValBuilder.cpp b/clang/lib/GR/SimpleSValBuilder.cpp
index 03f8e30..2fc2347 100644
--- a/clang/lib/GR/SimpleSValBuilder.cpp
+++ b/clang/lib/GR/SimpleSValBuilder.cpp
@@ -358,7 +358,7 @@
         case BO_XorAssign:
         case BO_OrAssign:
         case BO_Comma:
-          assert(false && "'=' and ',' operators handled by GRExprEngine.");
+          assert(false && "'=' and ',' operators handled by ExprEngine.");
           return UnknownVal();
         case BO_PtrMemD:
         case BO_PtrMemI: