Fix some argument prompts to end in one space

Corrects first argument of collect and show, and second argument of
assault, follow, mine, lmine and mobquota.

src/lib/commands/assa.c

@@ -82,7 +82,7 @@ assa(void)
      */
 
     if ((off->shp_uid =
-	 onearg(player->argp[2], "Assault from ship #")) < 0) {
+	 onearg(player->argp[2], "Assault from ship # ")) < 0) {
 	pr("You may only assault from one ship!\n");
 	return RET_FAIL;
     }

src/lib/commands/coll.c

@@ -60,7 +60,7 @@ coll(void)
 	pr("Loans are not enabled.\n");
 	return RET_FAIL;
     }
-    if ((arg = onearg(player->argp[1], "Collect on loan #")) < 0)
+    if ((arg = onearg(player->argp[1], "Collect on loan # ")) < 0)
 	return RET_SYN;
     /* Check if it's a valid loan.  That means, is it a valid loan,
        owed to this player, with a valid duration and it's been signed. */

src/lib/commands/foll.c

@@ -53,7 +53,7 @@ foll(void)
     }
     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 	return RET_SYN;
-    cp = getstarg(player->argp[2], "leader?", buf);
+    cp = getstarg(player->argp[2], "leader? ", buf);
     if (cp == 0)
 	cp = "";
     good = sscanf(cp, "%d", &leader);

src/lib/commands/mine.c

@@ -55,7 +55,7 @@ mine(void)
     if (!snxtitem(&ni, EF_SHIP, player->argp[1]))
 	return RET_SYN;
     mines = onearg(player->argp[2],
-		   "Drop how many mines from each ship?  ");
+		   "Drop how many mines from each ship? ");
     if (mines <= 0)
 	return RET_SYN;
     while (nxtitem(&ni, &ship)) {
@@ -126,7 +126,7 @@ landmine(void)
 	if (sect.sct_own == sect.sct_oldown)
 	    pr("There are currently %d mines in %s\n",
 	       sect.sct_mines, xyas(sect.sct_x, sect.sct_y, player->cnum));
-	sprintf(prompt, "Drop how many mines from %s?  ", prland(&land));
+	sprintf(prompt, "Drop how many mines from %s? ", prland(&land));
 	mines_wanted = onearg(player->argp[2], prompt);
 	if (!check_land_ok(&land))
 	    continue;

src/lib/commands/mobq.c

@@ -74,7 +74,7 @@ mobq(void)
 	    pr("Ship #%d at %s.  Old value %d.\n", ship.shp_uid,
 	       xyas(ship.shp_x, ship.shp_y, player->cnum),
 	       ship.shp_mobquota);
-	cp = getstarg(player->argp[2], "mobility quota?", buf);
+	cp = getstarg(player->argp[2], "mobility quota? ", buf);
 	if (!cp)
 	    return RET_SYN;
 	if (!check_ship_ok(&ship))

src/lib/commands/show.c

@@ -51,7 +51,7 @@ show(void)
     int rlev;
 
     if (!(p = getstarg(player->argp[1],
-		       "Show what (bridge, item, land, nuke, plane, sect, ship, tower, updates)?",
+		       "Show what (bridge, item, land, nuke, plane, sect, ship, tower, updates)? ",
 		       buf))
 	|| !*p)
 	return RET_SYN;