suppress warnings about easch <applet>_main() having
no preceding prototype
diff --git a/runit/sv.c b/runit/sv.c
index 2af9f66..7635330 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -251,6 +251,7 @@
 	return 1;
 }
 
+int sv_main(int argc, char **argv);
 int sv_main(int argc, char **argv)
 {
 	unsigned opt;