PSP/Joystick: fix formatting

(cherry picked from commit c17d2246fb)

src/joystick/psp/SDL_sysjoystick.c

@@ -210,7 +210,9 @@ static void PSP_JoystickUpdate(SDL_Joystick *joystick)
     static enum PspCtrlButtons old_buttons = 0;
     static unsigned char old_x = 0, old_y = 0;
 
-    if(sceCtrlPeekBufferPositive(&pad, 1) <= 0) return;
+    if (sceCtrlPeekBufferPositive(&pad, 1) <= 0) {
+        return;
+    }
     buttons = pad.Buttons;
     x = pad.Lx;
     y = pad.Ly;