patch 9.1.0884: gcc warns about uninitialized variable

Problem:  gcc warns about uninitialized variable in vim_strnicmp_asc()
Solution: initialize variable to 1
          (John Marriott)

closes: #16108

Signed-off-by: John Marriott <basilisk@internode.on.net>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    884,
 /**/
     883,
 /**/