minor headless mode bug fixed

src/mandelbrot.c

@@ -335,7 +335,7 @@ render_headless(ViewInfo view, const char* filename,
         width * height * sizeof(Color)
     };
 
-    short unsigned int plug; 
+    short unsigned int plug = 1; 
 
     render_cl(&arr, texture, renderer, width, height, &view, use_avx, use_omp, &plug, max_iterations);
 
@@ -373,8 +373,8 @@ main(int argc, char **argv)
     if (args.output_file) {
         render_headless(view, args.output_file, 
                        args.width, args.height,
-                       args.use_avx, args.use_omp,
-                       args.max_iterations);
+                       args.max_iterations,  args.use_avx, args.use_omp
+                       );
         SDL_Quit();
         return 0;
     } 
@@ -498,8 +498,6 @@ main(int argc, char **argv)
         SDL_SetRenderDrawColor(app.renderer, 0xff, 0xff, 0xff, 0xff);
         SDL_RenderClear(app.renderer);
 
-        printf("needs_recalc: %i\n", app.needs_recalc);
-
         render_cl(&screen, app.texture, app.renderer, app.win_width, app.win_height, &view, args.use_avx, args.use_omp,
                 &app.needs_recalc, args.max_iterations);