fixes for ubuntu/debian

[hjanuschka]

this fixes - building against 5.5 and 5.6
should be carried in seperated branch - because the php7 stuff is already in master

see test results on 5.5 and 5.6

=====================================================================
PHP         : /tmp/php5.5-bin/bin/php 
PHP_SAPI    : cli
PHP_VERSION : 5.5.22-dev
ZEND_VERSION: 2.5.0
PHP_OS      : Linux - Linux ip-172-31-14-228 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2 x86_64
INI actual  : /home/admin/tmp/php-lua/tmp-php.ini
More .INIs  :  
CWD         : /home/admin/tmp/php-lua
Extra dirs  : 
VALGRIND    : Not used
=====================================================================
TIME START 2015-02-02 16:07:24
=====================================================================
PASS Basic lua check [tests/001.phpt] 
PASS Set and read properties [tests/002.phpt] 
PASS Call lua functions [tests/003.phpt] 
PASS Type conversion from lua to PHP [tests/004.phpt] 
PASS Lua phpinfo() block [tests/005.phpt] 
PASS Lua::include() [tests/006.phpt] 
PASS Lua return function [tests/007.phpt] 
PASS register php function to lua [tests/008.phpt] 
PASS Bug (eval and include compute wrong return value number) [tests/009.phpt] 
PASS LuaClosure exception [tests/010.phpt] 
PASS register invalid php callback to lua [tests/011.phpt] 
PASS Lua::include() with error codes [tests/012.phpt] 
PASS PHP Closures from Lua [tests/013.phpt] 
PASS Bug #65097 (nApplyCount release missing) [tests/bug65097.phpt] 
=====================================================================
TIME END 2015-02-02 16:07:24

=====================================================================
PHP         : /tmp/php5.6-bin/bin/php 
PHP_SAPI    : cli
PHP_VERSION : 5.6.6-dev
ZEND_VERSION: 2.6.0
PHP_OS      : Linux - Linux ip-172-31-14-228 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2 x86_64
INI actual  : /home/admin/tmp/php-lua/tmp-php.ini
More .INIs  :  
CWD         : /home/admin/tmp/php-lua
Extra dirs  : 
VALGRIND    : Not used
=====================================================================
TIME START 2015-02-02 16:09:35
=====================================================================
PASS Basic lua check [tests/001.phpt] 
PASS Set and read properties [tests/002.phpt] 
PASS Call lua functions [tests/003.phpt] 
PASS Type conversion from lua to PHP [tests/004.phpt] 
PASS Lua phpinfo() block [tests/005.phpt] 
PASS Lua::include() [tests/006.phpt] 
PASS Lua return function [tests/007.phpt] 
PASS register php function to lua [tests/008.phpt] 
PASS Bug (eval and include compute wrong return value number) [tests/009.phpt] 
PASS LuaClosure exception [tests/010.phpt] 
PASS register invalid php callback to lua [tests/011.phpt] 
PASS Lua::include() with error codes [tests/012.phpt] 
PASS PHP Closures from Lua [tests/013.phpt] 
PASS Bug #65097 (nApplyCount release missing) [tests/bug65097.phpt] 
=====================================================================
TIME END 2015-02-02 16:09:36