basic-block.h (compute_preds_succs): Change return type in prototype to void.

d
	* basic-block.h (compute_preds_succs): Change return type in
	prototype to void.
	* flow.c (compute_preds_succs): Likewise in function definition.
	* regmove.c (find_matches): Cast char used as array index to unsigned char
	to supress warning.

From-SVN: r18507

gcc/flow.c

@@ -3246,7 +3246,7 @@ add_pred_succ (pred_bb, succ_bb, s_preds, s_succs, num_preds, num_succs)
 }
 
 /* Compute the predecessors and successors for each block.  */
-int
+void
 compute_preds_succs (s_preds, s_succs, num_preds, num_succs)
      int_list_ptr *s_preds;
      int_list_ptr *s_succs;