suppress warnings about easch <applet>_main() having
no preceding prototype
diff --git a/util-linux/mount.c b/util-linux/mount.c
index ba98519..702c033 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -1524,6 +1524,7 @@
 
 const char must_be_root[] = "you must be root";
 
+int mount_main(int argc, char **argv);
 int mount_main(int argc, char **argv)
 {
 	enum { OPT_ALL = 0x10 };