patch 7.4.1628

Problem:    64-bit Compiler warning.
Solution:   Change type of variable. (Mike Williams)

src/channel.c

@@ -2099,7 +2099,7 @@ channel_part_info(channel_T *channel, dict_T *dict, char *name, int part)
 {
     chanpart_T *chanpart = &channel->ch_part[part];
     char	namebuf[20];
-    int		tail;
+    size_t	tail;
     char	*s;
 
     STRCPY(namebuf, name);

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1628,
 /**/
     1627,
 /**/