SDL_os2video.c: silenced -Wempty-body warning, along with minor tidy-up.

src/video/os2/SDL_os2video.c

@@ -855,8 +855,9 @@ static int OS2_CreateWindowFrom(_THIS, SDL_Window *window, const void *data)
     if (cbText != 0)
         window->title = OS2_SysToUTF8(pszText);
 
-    if (pszText != NULL)
+    if (pszText != NULL) {
         SDL_stack_free(pszText);
+    }
 
     /* Set SDL-window flags */
     window->flags &= ~(SDL_WINDOW_SHOWN     | SDL_WINDOW_BORDERLESS |
@@ -1666,18 +1667,17 @@ static SDL_VideoDevice *OS2VMAN_CreateDevice(int devindex)
 }
 
 
-/* Both bootstraps for DIVE and VMAN are uing same function OS2_CreateDevice().
+/* DIVE and VMAN bootstraps both call the same OS2_CreateDevice() function.
  * Video output system will be selected in OS2_VideoInit() by driver name.  */
 VideoBootStrap OS2DIVE_bootstrap =
 {
-  OS2DRIVER_NAME_DIVE, "OS/2 video driver",
-  OS2DIVE_CreateDevice
+    OS2DRIVER_NAME_DIVE, "OS/2 video driver",
+    OS2DIVE_CreateDevice
 };
-
 VideoBootStrap OS2VMAN_bootstrap =
 {
-  OS2DRIVER_NAME_VMAN, "OS/2 video driver",
-  OS2VMAN_CreateDevice
+    OS2DRIVER_NAME_VMAN, "OS/2 video driver",
+    OS2VMAN_CreateDevice
 };
 
 #endif /* SDL_VIDEO_DRIVER_OS2 */