--- nfs-utils-2.4.1/utils/nfsdcld/nfsdcld.c.old	2019-06-10 14:34:37.000000000 +0000
+++ nfs-utils-2.4.1/utils/nfsdcld/nfsdcld.c	2019-06-20 00:28:42.926915402 +0000
@@ -737,7 +737,7 @@
 int
 main(int argc, char **argv)
 {
-	char arg;
+	int arg;
 	int rc = 0;
 	bool foreground = false;
 	char *progname;