Remove zend.ze1_compatibility_mode checks, it does not exist in PHP >= 5.3

.htaccess

@@ -14,7 +14,6 @@ php_flag    register_globals            Off
 php_flag    zlib.output_compression     Off
 php_flag    magic_quotes_gpc            Off
 php_flag    magic_quotes_runtime        Off
-php_flag    zend.ze1_compatibility_mode Off
 php_flag    suhosin.session.encrypt     Off
 
 #php_value   session.cookie_path     /

INSTALL

@@ -29,7 +29,6 @@ REQUIREMENTS
    - memory_limit > 16MB (increase as suitable to support large attachments)
    - file_uploads enabled (for attachment upload features)
    - session.auto_start disabled
-   - zend.ze1_compatibility_mode disabled
    - suhosin.session.encrypt disabled
    - mbstring.func_overload disabled
    - magic_quotes_runtime disabled

installer/check.php

@@ -44,7 +44,6 @@ $optional_libs = array(
 $ini_checks = array(
     'file_uploads'                  => 1,
     'session.auto_start'            => 0,
-    'zend.ze1_compatibility_mode'   => 0,
     'mbstring.func_overload'        => 0,
     'suhosin.session.encrypt'       => 0,
     'magic_quotes_runtime'          => 0,