FIX Calling soc.php with an unknown socid display a message

Fix #4632
Calling soc.php with an unknown socid display a simple error message

htdocs/societe/soc.php

@@ -72,6 +72,12 @@ $extralabels=$extrafields->fetch_name_optionals_label($object->table_element);
 // Initialize technical object to manage hooks of thirdparties. Note that conf->hooks_modules contains array array
 $hookmanager->initHooks(array('thirdpartycard','globalcard'));
 
+if ($action == 'view' && $object->fetch($socid)<=0)
+{
+	$langs->load("errors");
+	print($langs->trans('ErrorRecordNotFound'));
+	exit;
+}
 
 // Get object canvas (By default, this is not defined, so standard usage of dolibarr)
 $object->getCanvas($socid);