- Connect manual page for gconcat utility to the build.

- Fix usage.

Approved by:	scottl (mentor) (implicity)

sbin/gconcat/Makefile

@@ -1,8 +1,7 @@
 # $FreeBSD$
 
 PROG=	gconcat
-#MAN=	gconcat.8
-NOMAN=	not_yet
+MAN=	gconcat.8
 DPADD=	${LIBGEOM}
 LDADD=	-lgeom
 WARNS?=	6

sbin/gconcat/gconcat.c

@@ -67,7 +67,7 @@ usage(void)
 	    "usage: %s create [-v] name dev1 dev2 [dev3 [...]]\n"
 	    "       %s destroy [-fv] name\n"
 	    "       %s label [-v] name dev1 dev2 [dev3 [...]]\n"
-	    "       %s clear [-v] dev1 dev2 [dev3 [...]]\n"
+	    "       %s clear [-v] dev1 [dev2 [...]]\n"
 	    "       %s list\n",
 	    comm, comm, comm, comm, comm);
 	exit(EXIT_FAILURE);