Fix depends:

- DEFAULT_PHP_VER is deprecated
- Using it after bsd.port.pre.mk was hazardous,  when php was not yet installed it
was depending on /usr/local/lib/php/20131226/session.so:/usr/ports/www/php5-session,
i.e. a php 5.6 file and a php 5.4 port

www/codeigniter/Makefile

@@ -19,6 +19,7 @@ CONFLICTS=	codeigniter-1.[0-9]*
 NO_BUILD=	yes
 USE_PHP=	session pcre
 WANT_PHP_WEB=	yes
+PHP_DEFAULT=	5.4
 PLIST_SUB=	WWWOWN=${WWWOWN} WWWGRP=${WWWGRP}
 
 CI_SYS_DIR=	system
@@ -84,8 +85,6 @@ PLIST_SUB+=	NOAPACHE="@comment "
 .endif
 PLIST_SUB+=	ECHO_MSG=${ECHO_MSG} CI_CONF_DIR=${CI_CONF_DIR}
 
-DEFAULT_PHP_VER=5
-
 .if ${PORT_OPTIONS:MMSSQL}
 USE_PHP+=	mssql
 .endif