remove false bracket in EXT_ASC

src/frontend/wdisp/windisp.c

@@ -161,7 +161,7 @@ int WIN_Init(void)
         TheWndClass.cbClsExtra     = 0;
         TheWndClass.cbWndExtra     = sizeof(GRAPH *);
 
-        if (!RegisterClass(&TheWndClass)) {
+        if (!RegisterClass(&TheWndClass))
             return 1;
 
 #else
@@ -179,7 +179,8 @@ int WIN_Init(void)
         TheWndClassW.hIcon = LoadIconW(hInst, MAKEINTRESOURCEW(2));
         TheWndClassW.cbClsExtra = 0;
         TheWndClassW.cbWndExtra = sizeof(GRAPH *);
-        if (!RegisterClassW(&TheWndClassW)) return 1;
+        if (!RegisterClassW(&TheWndClassW))
+            return 1;
 #endif
         IsRegistered = 1;
     }