Remove pointless "const".  Bloatcheck says 0 bytes difference.
diff --git a/util-linux/swaponoff.c b/util-linux/swaponoff.c
index 9bb70a1..c693cf9 100644
--- a/util-linux/swaponoff.c
+++ b/util-linux/swaponoff.c
@@ -15,7 +15,7 @@
 #include <sys/swap.h>
 
 
-static int swap_enable_disable(const char *device)
+static int swap_enable_disable(char *device)
 {
 	int status;
 	struct stat st;