libbb: GETOPT_RESET macro

Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/runit/sv.c b/runit/sv.c
index 9e21322..64f1ae3 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -688,12 +688,7 @@
 	/* getopt32() was already called:
 	 * reset the libc getopt() function, which keeps internal state.
 	 */
-#ifdef __GLIBC__
-	optind = 0;
-#else /* BSD style */
-	optind = 1;
-	/* optreset = 1; */
-#endif
+	GETOPT_RESET();
 
 	do {
 		if (opts & 1) {