Simply resize existing window

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%402315

src/video/gem/SDL_gemvideo.c

@@ -778,17 +778,10 @@ SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current,
 			/* Open the window */
 			wind_open(GEM_handle,x2,y2,w2,h2);
 		} else {
-			/* Resize window if needed, to fit asked video mode */
-			if (modeflags & SDL_RESIZABLE) {
-				wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2);
-				if ((w2&15)!=0) {
-					w2=(w2|15)+1;
-				}
-				if ((w2!=width) || (h2!=height)) {
-					if (wind_calc(WC_BORDER, GEM_win_type, x2,y2,width,height, &x2,&y2,&w2,&h2)) {
-						wind_set (GEM_handle, WF_CURRXYWH, x2,y2,w2,h2);
-					}
-				}
+			/* Resize window to fit asked video mode */
+			wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2);
+			if (wind_calc(WC_BORDER, GEM_win_type, x2,y2,width,height, &x2,&y2,&w2,&h2)) {
+				wind_set (GEM_handle, WF_CURRXYWH, x2,y2,w2,h2);
 			}
 		}