skill: fix compiler warnings

skill.c:340:5: warning: no previous declaration for 'skill_sig_option' [-Wmissing-declarations]
skill.c:460:5: warning: no previous declaration for 'snice_prio_option' [-Wmissing-declarations]

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/skill.c b/skill.c
index a1f89e0a9619d38b81870bac73206f5f96b940e8..03df229cf024ea8d38dee9480ab68bd93430a8bc 100644 (file)
--- a/skill.c
+++ b/skill.c
@@ -337,7 +337,7 @@ static void __attribute__ ((__noreturn__)) skillsnice_usage(FILE * out)
        exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
 }
 
-int skill_sig_option(int *argc, char **argv)
+static int skill_sig_option(int *argc, char **argv)
 {
        int i, nargs = *argc;
        int signo = -1;
@@ -457,7 +457,7 @@ static void _skillsnice_usage(int line)
 
 /* common skill/snice argument parsing code */
 
-int snice_prio_option(int *argc, char **argv)
+static int snice_prio_option(int *argc, char **argv)
 {
        int i = 1, nargs = *argc;
        long prio = DEFAULT_NICE;