update php5-mysql to php5-mysqlnd

INSTALL.en.md

@@ -5,12 +5,12 @@ This procedure is meant for Ubuntu et Debian GNU/Linux
 
 ##  Ubuntu Trusty
 ```
-apt-get install python-software-properties php5 php5-gd php5-imagick php5-xdebug php-pear php5-mysql php5-xhprof graphviz apache2 mysql-server libapache2-mod-php5 git php5-mcrypt php5-curl yaz
+apt-get install python-software-properties php5 php5-gd php5-imagick php5-xdebug php-pear php5-mysqlnd php5-xhprof graphviz apache2 mysql-server libapache2-mod-php5 git php5-mcrypt php5-curl yaz
 ```
 
 ## Debian Wheezy
 ```
-apt-get install php5 php5-gd php5-imagick php5-xdebug php-pear php5-mysql graphviz apache2 mysql-server libapache2-mod-php5 git php5-mcrypt php5-curl yaz
+apt-get install php5 php5-gd php5-imagick php5-xdebug php-pear php5-mysqlnd graphviz apache2 mysql-server libapache2-mod-php5 git php5-mcrypt php5-curl yaz
 ```		
 
 ## ArchLinux