[analyzer] Address Jordan's nitpicks as per code review of r170625.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/CStringChecker.cpp b/lib/StaticAnalyzer/Checkers/CStringChecker.cpp
index 9fbf976..889b236 100644
--- a/lib/StaticAnalyzer/Checkers/CStringChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/CStringChecker.cpp
@@ -817,7 +817,7 @@
     // Invalidate this region.
     const LocationContext *LCtx = C.getPredecessor()->getLocationContext();
     return state->invalidateRegions(R, E, C.blockCount(), LCtx,
-                                    /*ResultsInPointerEscape*/ false);
+                                    /*CausedByPointerEscape*/ false);
   }
 
   // If we have a non-region value by chance, just remove the binding.