Separate function list for each target.

Change-Id: I0f5f92efe206adb843a18ff05cd95707ee5a24d2
diff --git a/lib/AndroidBitcode/X86ABCCompilerDriver.h b/lib/AndroidBitcode/X86ABCCompilerDriver.h
index 4d76b5f..34e9603 100644
--- a/lib/AndroidBitcode/X86ABCCompilerDriver.h
+++ b/lib/AndroidBitcode/X86ABCCompilerDriver.h
@@ -27,6 +27,9 @@
       : ABCCompilerDriver(pTriple) { }
 
   virtual ~X86ABCCompilerDriver() { }
+
+private:
+  virtual const char **getNonPortableList() const;
 };
 
 } // end namespace bcc