pkg: sync dependencies between extensions.ini and pkg deps

(cherry picked from commit 809625fd)

Makefile

@@ -128,6 +128,7 @@ CORE_DEPENDS?=		apinger \
 			php56-ldap \
 			php56-mcrypt \
 			php56-openssl \
+			php56-pdo \
 			php56-session \
 			php56-simplexml \
 			php56-sockets \

src/etc/rc.php_ini_setup

@@ -48,6 +48,8 @@ PHPMODULES="$PHPMODULES gettext"
 # User manager
 PHPMODULES="$PHPMODULES ldap openssl"
 PHPMODULES="$PHPMODULES hash mcrypt"
+# Socket magic
+PHPMODULES="$PHPMODULES sockets"
 # Login sessions
 PHPMODULES="$PHPMODULES session"
 # Extra sanity seatbelts
@@ -66,8 +68,8 @@ PHPMODULES="$PHPMODULES pfSense"
 PHPMODULES="$PHPMODULES json"
 # filter
 PHPMODULES="$PHPMODULES filter"
-# OPNsense
-PHPMODULES="$PHPMODULES phalcon"
+# MVC framework
+PHPMODULES="$PHPMODULES pdo phalcon"
 
 _EXTENSIONS_INI=$(mktemp -q /tmp/extensions_ini.XXXXXX)
 EXTENSIONS_INI=/usr/local/etc/php/extensions.ini