patch 7.4.2043

Problem:    setbuvfar() causes a screen redraw.
Solution:   Only use aucmd_prepbuf() for options.

src/version.c

@@ -758,6 +758,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2043,
 /**/
     2042,
 /**/