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/Parse/ParsePragma.cpp b/clang/lib/Parse/ParsePragma.cpp
index fef3af2..eb13e0d 100644
--- a/clang/lib/Parse/ParsePragma.cpp
+++ b/clang/lib/Parse/ParsePragma.cpp
@@ -143,7 +143,7 @@
     // In MSVC/gcc, #pragma pack(4) sets the alignment without affecting
     // the push/pop stack.
     // In Apple gcc, #pragma pack(4) is equivalent to #pragma pack(push, 4)
-    if (PP.getLangOptions().ApplePragmaPack)
+    if (PP.getLangOpts().ApplePragmaPack)
       Kind = Sema::PPK_Push;
   } else if (Tok.is(tok::identifier)) {
     const IdentifierInfo *II = Tok.getIdentifierInfo();
@@ -194,7 +194,7 @@
         }
       }
     }
-  } else if (PP.getLangOptions().ApplePragmaPack) {
+  } else if (PP.getLangOpts().ApplePragmaPack) {
     // In MSVC/gcc, #pragma pack() resets the alignment without affecting
     // the push/pop stack.
     // In Apple gcc #pragma pack() is equivalent to #pragma pack(pop).