Implement Slackware specific information for rc.ntpd

This updates the necessary code in timedated.c to use the ntpd via /etc/rc.d/rc.ntpd script in Slackware. The updated code looks for rc.ntpd to see if it is available and checks the file permission's to see if it is either executable or not.

src/timedated.c

@@ -227,13 +227,12 @@ ntp_service ()
         if ((st_ntpd.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) == 0755) {
             g_debug("Starting ntpd: rc.ntpd has appropriate permissions (0755).");
             return "ntpd";
-        }
-        else if ((st_ntpd.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) == 0644) {
+        } else if ((st_ntpd.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) == 0644) {
             g_debug("Unable to start ntpd: rc.ntpd has insufficient permissions (0644).");
             return NULL;
         }
     }
-        g_warning("Unable to start ntpd: rc.ntpd is not a regular file or does not exist.");
+    g_warning("Unable to start ntpd: rc.ntpd is not a regular file or does not exist.");
     return NULL;
 #else
     return NULL;