Revert "Ticket #47835 - Coverity: 12687..12692"

This reverts commit 6e175e3308f04de528254871f6b554fe992dd3df.

ldap/servers/slapd/main.c

@@ -723,8 +723,8 @@ main( int argc, char **argv)
 
 #endif /* _WIN32 */
 
-	arg_max = sysconf(_SC_ARG_MAX);
 	if ( (myname = strrchr( argv[0], '/' )) == NULL ) {
+		arg_max = sysconf(_SC_ARG_MAX);
 		myname = slapi_ch_strndup( argv[0], arg_max );
 	} else {
 		myname = slapi_ch_strndup( myname + 1, arg_max );