Fix thinko (-fno-builtin != -nobuiltininc).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89918 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/CC1Options.cpp b/lib/Driver/CC1Options.cpp
index 3a5cc54..d45fe84 100644
--- a/lib/Driver/CC1Options.cpp
+++ b/lib/Driver/CC1Options.cpp
@@ -361,7 +361,7 @@
   Opts.Verbose = Args.hasArg(OPT_v);
   Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
   Opts.BuiltinIncludePath = "";
-  if (!Args.hasArg(OPT_fno_builtin))
+  if (!Args.hasArg(OPT_nobuiltininc))
       Opts.BuiltinIncludePath = "FIXME"; // FIXME: Get builtin include path!
 
   // Add -I... and -F... options in order.