more -Wall warning fixes from Cristian Ionescu-Idbohrn.

This time it resulted in small code changes:

function                                             old     new   delta
nexpr                                                820     828      +8
tail_main                                           1200    1202      +2
wrapf                                                166     167      +1
parse_mount_options                                  227     209     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 11/-18)             Total: -7 bytes

1 files changed, 4 insertions, 2 deletions

diff --git a/editors/sed.c b/editors/sed.c
index f85884534..817840dc0 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -628,7 +628,7 @@ static int do_subst_command(sed_cmd_t *sed_cmd, char **line)
 {
         char *oldline = *line;
         int altered = 0;
-        int match_count = 0;
+        unsigned match_count = 0;
         regex_t *current_regex;
 
         /* Handle empty regex. */
@@ -665,7 +665,9 @@ static int do_subst_command(sed_cmd_t *sed_cmd, char **line)
 
                 /* If we aren't interested in this match, output old line to
                    end of match and continue */
-                if (sed_cmd->which_match && sed_cmd->which_match != match_count) {
+                if (sed_cmd->which_match
+                 && (sed_cmd->which_match != match_count)
+                ) {
                         for (i = 0; i < G.regmatch[0].rm_eo; i++)
                                 pipe_putc(*oldline++);
                         continue;