patch 7.4.1591

Problem:    The quickfix title is truncated.
Solution:   Save the command before it is truncated. (Anton Lindqvist)

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1591,
 /**/
     1590,
 /**/