Indent timestep loop

Ok, NOW indent it. I didn't indent it previously because the diffs are
annoying to read if there's an indent that doesn't otherwise change
anything (and even now it's pretty annoying to read).

desktop_version/src/main.cpp

@@ -542,7 +542,7 @@ int main(int argc, char *argv[])
                 }
             }
 
-        if(key.resetWindow)
+            if (key.resetWindow)
             {
                 key.resetWindow = false;
                 gameScreen.ResizeScreen(-1, -1);