Merge branch '5550-centos-7-installer-clamd-service-restart-message-in-error-when-not-installing-amavisd' into 'develop'

Resolve "CentOS 7 installer clamd service restart message in error when not installing amavisd"

Closes #5550

See merge request ispconfig/ispconfig3!1222

Author: Till Brehm

install/install.php

@@ -621,7 +621,7 @@
 if($conf['saslauthd']['installed'] == true && $conf['saslauthd']['init_script'] != '') system($inst->getinitcommand($conf['saslauthd']['init_script'], 'restart'));
 if($conf['amavis']['installed'] == true && $conf['amavis']['init_script'] != '') system($inst->getinitcommand($conf['amavis']['init_script'], 'restart'));
 if($conf['rspamd']['installed'] == true && $conf['rspamd']['init_script'] != '') system($inst->getinitcommand($conf['rspamd']['init_script'], 'restart'));
-if($conf['clamav']['installed'] == true && $conf['clamav']['init_script'] != '') system($inst->getinitcommand($conf['clamav']['init_script'], 'restart'));
+if($conf['clamav']['installed'] == true && $conf['clamav']['init_script'] != '' && $conf['amavis']['installed'] == true) system($inst->getinitcommand($conf['clamav']['init_script'], 'restart'));
 if($conf['courier']['installed'] == true){
 	if($conf['courier']['courier-authdaemon'] != '') system($inst->getinitcommand($conf['courier']['courier-authdaemon'], 'restart'));
 	if($conf['courier']['courier-imap'] != '') system($inst->getinitcommand($conf['courier']['courier-imap'], 'restart'));

install/update.php

@@ -580,7 +580,7 @@
 		if($conf['saslauthd']['installed'] == true && $conf['saslauthd']['init_script'] != '') system($inst->getinitcommand($conf['saslauthd']['init_script'], 'restart'));
 		if($conf['amavis']['installed'] == true && $conf['amavis']['init_script'] != '') system($inst->getinitcommand($conf['amavis']['init_script'], 'restart'));
 		if($conf['rspamd']['installed'] == true && $conf['rspamd']['init_script'] != '') system($inst->getinitcommand($conf['rspamd']['init_script'], 'restart'));
-		if($conf['clamav']['installed'] == true && $conf['clamav']['init_script'] != '') system($inst->getinitcommand($conf['clamav']['init_script'], 'restart'));
+		if($conf['clamav']['installed'] == true && $conf['clamav']['init_script'] != '' && $conf['amavis']['installed'] == true) system($inst->getinitcommand($conf['clamav']['init_script'], 'restart'));
 		if($conf['courier']['installed'] == true){
 			if($conf['courier']['courier-authdaemon'] != '') system($inst->getinitcommand($conf['courier']['courier-authdaemon'], 'restart'));
 			if($conf['courier']['courier-imap'] != '') system($inst->getinitcommand($conf['courier']['courier-imap'], 'restart'));