5166 sendmail package should be replaceable

@@ -618,11 +618,11 @@
         if (hflag)
                 extra += 2;
 #endif /* SENDMAIL */
         top = (char **) salloc((t + extra) * sizeof (char *));
         ap = top;
-        *ap++ = "mail";
+        *ap++ = "sendmail";
         if (rflag != NOSTR) {
                 *ap++ = "-r";
                 *ap++ = rflag;
         }
 #ifdef SENDMAIL