Make usermod -d and -m work independant of the argument order. Thanks to

Justin Pryzby <jpryzby+d@quoininc.com> for the patch. This fixes Debian's
bug #451518.

src/usermod.c

@@ -987,9 +987,6 @@ static void process_flags (int argc, char **argv)
 				Lflg++;
 				break;
 			case 'm':
-				if (!dflg)
-					usage ();
-
 				mflg++;
 				break;
 			case 'o':
@@ -1059,6 +1056,14 @@ static void process_flags (int argc, char **argv)
 		exit (E_USAGE);
 	}
 
+	if (mflg && !dflg) {
+		fprintf (stderr,
+			 _("%s: -m flag is ONLY allowed with the -d flag\n"),
+			 Prog);
+		usage ();
+		exit (E_USAGE);
+	}
+
 	if (dflg && strcmp (user_home, user_newhome) == 0)
 		dflg = mflg = 0;