modetest: Remove extern declarations of opt(arg|ind|err|opt)

Those variables are declared in unistd.h, there's no need to redeclare
them here.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index c901114..585bacb 100644 (file)
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -835,8 +835,6 @@ set_mode(struct connector *c, int count, struct plane *p, int plane_count,
        kms_destroy(&kms);
 }
 
-extern char *optarg;
-extern int optind, opterr, optopt;
 static char optstr[] = "ecpmfs:P:v";
 
 #define min(a, b)      ((a) < (b) ? (a) : (b))