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/CodeGen/CGExprComplex.cpp b/clang/lib/CodeGen/CGExprComplex.cpp
index c5b705f..0233745 100644
--- a/clang/lib/CodeGen/CGExprComplex.cpp
+++ b/clang/lib/CodeGen/CGExprComplex.cpp
@@ -640,7 +640,7 @@
   LValue LV = EmitCompoundAssignLValue(E, Func, Val);
 
   // The result of an assignment in C is the assigned r-value.
-  if (!CGF.getContext().getLangOptions().CPlusPlus)
+  if (!CGF.getContext().getLangOpts().CPlusPlus)
     return Val;
 
   // If the lvalue is non-volatile, return the computed value of the assignment.
@@ -675,7 +675,7 @@
   LValue LV = EmitBinAssignLValue(E, Val);
 
   // The result of an assignment in C is the assigned r-value.
-  if (!CGF.getContext().getLangOptions().CPlusPlus)
+  if (!CGF.getContext().getLangOpts().CPlusPlus)
     return Val;
 
   // If the lvalue is non-volatile, return the computed value of the assignment.