Unify naming of LangOptions variable/get function across the Clang stack (Lex to AST).

The member variable is always "LangOpts" and the member function is always "getLangOpts".

Reviewed by Chris Lattner

llvm-svn: 152536
diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp
index 25caf98..777e9ea 100644
--- a/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp
@@ -91,6 +91,6 @@
 }
 
 void ento::registerObjCAtSyncChecker(CheckerManager &mgr) {
-  if (mgr.getLangOptions().ObjC2)
+  if (mgr.getLangOpts().ObjC2)
     mgr.registerChecker<ObjCAtSyncChecker>();
 }