Rename 'SValuator' to 'SValBuilder'.  The new name
reflects what the class actually does.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120605 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/CastSizeChecker.cpp b/lib/Checker/CastSizeChecker.cpp
index 6676fe5..bb10f61 100644
--- a/lib/Checker/CastSizeChecker.cpp
+++ b/lib/Checker/CastSizeChecker.cpp
@@ -60,8 +60,8 @@
   ValueManager &ValMgr = C.getValueManager();
   SVal Extent = SR->getExtent(ValMgr);
 
-  SValuator &SVator = ValMgr.getSValuator();
-  const llvm::APSInt *ExtentInt = SVator.getKnownValue(state, Extent);
+  SValBuilder &svalBuilder = ValMgr.getSValBuilder();
+  const llvm::APSInt *ExtentInt = svalBuilder.getKnownValue(state, Extent);
   if (!ExtentInt)
     return;