Use 'app_process' as executable name (should fix #23)

jni/SDL2-2.0.1/src/main/android/SDL_android_main.c

@@ -25,7 +25,7 @@ void Java_org_libsdl_app_SDLActivity_nativeInit(JNIEnv* env, jclass cls, jobject
     /* Run the application code! */
     int status;
     char *argv[2];
-    argv[0] = SDL_strdup("SDL_app");
+    argv[0] = SDL_strdup("app_process");
     argv[1] = NULL;
     status = SDL_main(1, argv);