--- /dev/null
+--- /lockfile-progs.orig.c 2007-10-11 10:32:09.000000000 -0300
++++ /lockfile-progs.c 2007-10-11 10:32:28.000000000 -0300
+@@ -93,7 +93,7 @@
+ { NULL, 0, NULL, 0 }
+ };
+
+- char *cmd_name = rindex(argv[0], '/');
++ char *cmd_name = strrchr(argv[0], '/');
+ int mail_cmd_p = 0;
+
+ if(cmd_name != NULL) {