(move_ground): Remove superflous parameter `mobility'. Callers

changed.  Edit for clarity.  No functional changes.

src/lib/commands/expl.c

@@ -155,7 +155,7 @@ explore(void)
      */
     dam = 1;
     mcost = move_ground((s_char *)ip, &sect, &endsect,
-			(double)sect.sct_mobil, weight, player->argp[4],
+			weight, player->argp[4],
 			explore_map, 1, &dam);
 
     if (dam) {
@@ -207,7 +207,7 @@ explore(void)
     if (!player->god && chksect.sct_own && chksect.sct_own != player->cnum
 	&& chksect.sct_type != SCT_SANCT) {
 	pr("Somebody beat you there!\n");
-	/* Send them xback home */
+	/* Send them back home */
 	getsect(start.sct_x, start.sct_y, &sect);
 	if (sect.sct_own != own) {
 	    pr("Someone captured the sector you started from!\n");

src/lib/commands/move.c

@@ -201,7 +201,7 @@ move(void)
     if (dam && !chance(weight / 200.0))
 	dam = 0;
     mcost = move_ground((s_char *)ip, &sect, &endsect,
-			(double)sect.sct_mobil, weight, player->argp[4],
+			weight, player->argp[4],
 			cmd_move_map, 0, &dam);
 
     if (dam) {

src/lib/commands/tran.c

@@ -176,7 +176,6 @@ tran_nuke(void)
     }
     dam = 0;
     mcost = move_ground((s_char *)&nuke, &sect, &endsect,
-			(double)sect.sct_mobil,
 			(double)ncp->n_weight * moving,
 			player->argp[5], tran_map, 0, &dam);
 
@@ -293,7 +292,7 @@ tran_plane(void)
     }
     dam = 1;
     mcost = move_ground((s_char *)&plane, &sect, &endsect,
-			(double)sect.sct_mobil, (double)weight,
+			(double)weight,
 			player->argp[3], tran_map, 0, &dam);
     dam /= count;
     if (mcost < 0)