patch 8.1.1088: height of quickfix window not retained with vertical split

Problem:    Height of quickfix window not retained with vertical split.
Solution:   Use frame_fixed_height() and frame_fixed_width(). (Hongbo Liu,
            closes #4013, closes #2998)

src/version.c

@@ -775,6 +775,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1088,
 /**/
     1087,
 /**/