Fix CPU cycles being halved when application regains focus in SDL2 while using "priority = ?, pause". This was only fixed in the SDL1 build before

src/gui/sdlmain.cpp

@@ -7881,7 +7881,9 @@ void GFX_Events() {
 #endif
                 SetPriority(sdl.priority.nofocus);
                 GFX_LosingFocus();
+                if( sdl.priority.nofocus != PRIORITY_LEVEL_PAUSE ) {
                     CPU_Enable_SkipAutoAdjust();
+                }
                 break;
             default:
                 ;