Patched to compile. Fixes Bugzilla #285.

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%401980

src/video/qtopia/SDL_sysvideo.cc

@@ -227,8 +227,8 @@ extern "C" {
 	       desktop_size.height(), desktop_size.width());
 
     /* Determine the current screen size */
-    this->info.current_w = desktop_size.width();
-    this->info.current_h = desktop_size.height();
+    _this->info.current_w = desktop_size.width();
+    _this->info.current_h = desktop_size.height();
 
     /* Create the window / widget */
     SDL_Win = new SDL_QWin(QSize(QT_HIDDEN_SIZE, QT_HIDDEN_SIZE));