libc: cleanup unnecessary semicolons (part 2).

Found with devel/coccinelle.

lib/libc/rpc/clnt_bcast.c

@@ -469,7 +469,7 @@ rpc_broadcast_exp(rpcprog_t prog, rpcvers_t vers, rpcproc_t proc,
 						      "broadcast packet");
 						stat = RPC_CANTSEND;
 						continue;
-					};
+					}
 #ifdef RPC_DEBUG
 				if (!__rpc_lowvers)
 					fprintf(stderr, "Broadcast packet sent "

lib/libc/rpc/clnt_generic.c

@@ -402,7 +402,7 @@ clnt_tli_create(int fd, const struct netconfig *nconf,
 	if (madefd) {
 		(void) CLNT_CONTROL(cl, CLSET_FD_CLOSE, NULL);
 /*		(void) CLNT_CONTROL(cl, CLSET_POP_TIMOD, NULL);  */
-	};
+	}
 
 	return (cl);