Merge pull request #1081 from hestiacp/fix/1068_port_value_issue

#1068 Fixes issue described in report

func/db.sh

@@ -28,6 +28,7 @@ database_set_default_ports() {
 
 # MySQL
 mysql_connect() {
+    unset PORT
     host_str=$(grep "HOST='$1'" $HESTIA/conf/mysql.conf)
     parse_object_kv_list "$host_str"
     if [ -z $PORT ]; then PORT=3306; fi
@@ -100,6 +101,7 @@ mysql_dump() {
 
 # PostgreSQL
 psql_connect() {
+    unset PORT
     host_str=$(grep "HOST='$1'" $HESTIA/conf/pgsql.conf)
     parse_object_kv_list "$host_str"
     export PGPASSWORD="$PASSWORD"