Merge pull request hestiacp#1533 from hestiacp/fix/2021-01-installer_never_set_pgsql

$pgsql was never set instead of $postgresql is set

Author: ScIT-Raphael

install/hst-install-debian.sh

@@ -1021,7 +1021,7 @@ if [ "$mysql" = 'yes' ]; then
     installed_db_types='mysql'
 fi
 
-if [ "$pgsql" = 'yes' ]; then
+if [ "$postgresql" = 'yes' ]; then
     installed_db_types="$installed_db_type,pgsql"
 fi
 

install/hst-install-ubuntu.sh

@@ -1072,7 +1072,7 @@ if [ "$mysql" = 'yes' ]; then
     installed_db_types='mysql'
 fi
 
-if [ "$pgsql" = 'yes' ]; then
+if [ "$postgresql" = 'yes' ]; then
     installed_db_types="$installed_db_type,pgsql"
 fi