Fix android_clang build.

BUG=
R=kjellander@webrtc.org, tkchin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/30879004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7630 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/video_render/android/video_render_android_native_opengl2.h b/webrtc/modules/video_render/android/video_render_android_native_opengl2.h
index 66c5364..f5e5b57e 100644
--- a/webrtc/modules/video_render/android/video_render_android_native_opengl2.h
+++ b/webrtc/modules/video_render/android/video_render_android_native_opengl2.h
@@ -41,7 +41,7 @@
   virtual void DeliverFrame(JNIEnv* jniEnv);
 
  private:
-  static jint CreateOpenGLNativeStatic(
+  static jint JNICALL CreateOpenGLNativeStatic(
       JNIEnv * env,
       jobject,
       jlong context,
@@ -49,7 +49,7 @@
       jint height);
   jint CreateOpenGLNative(int width, int height);
 
-  static void DrawNativeStatic(JNIEnv * env,jobject, jlong context);
+  static void JNICALL DrawNativeStatic(JNIEnv * env,jobject, jlong context);
   void DrawNative();
   uint32_t _id;
   CriticalSectionWrapper& _renderCritSect;