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/DebugCheckers.cpp b/clang/lib/StaticAnalyzer/Checkers/DebugCheckers.cpp
index 900c305..34053cd 100644
--- a/clang/lib/StaticAnalyzer/Checkers/DebugCheckers.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/DebugCheckers.cpp
@@ -74,7 +74,7 @@
   void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
                         BugReporter &BR) const {
     if (CFG *cfg = mgr.getCFG(D)) {
-      cfg->viewCFG(mgr.getLangOptions());
+      cfg->viewCFG(mgr.getLangOpts());
     }
   }
 };
@@ -94,7 +94,7 @@
   void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
                         BugReporter &BR) const {
     if (CFG *cfg = mgr.getCFG(D)) {
-      cfg->dump(mgr.getLangOptions(),
+      cfg->dump(mgr.getLangOpts(),
                 llvm::sys::Process::StandardErrHasColors());
     }
   }