phpdoc fixes for install-helper.php. See #7550 props santosj.

git-svn-id: https://develop.svn.wordpress.org/trunk@8687 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/install-helper.php

@@ -35,7 +35,7 @@
  * </code>
  *
  * @package WordPress
- * @subpackage Plugins
+ * @subpackage Plugin
  */
 
 /**
@@ -64,7 +64,7 @@ if ( ! function_exists('maybe_create_table') ) :
  *
  * @since unknown
  * @package WordPress
- * @subpackage Plugins
+ * @subpackage Plugin
  * @uses $wpdb
  *
  * @param string $table_name Database table name.
@@ -96,7 +96,7 @@ if ( ! function_exists('maybe_add_column') ) :
  *
  * @since unknown
  * @package WordPress
- * @subpackage Plugins
+ * @subpackage Plugin
  * @uses $wpdb
  * @uses $debug
  *
@@ -131,7 +131,7 @@ endif;
  *
  * @since unknown
  * @package WordPress
- * @subpackage Plugins
+ * @subpackage Plugin
  * @uses $wpdb
  *
  * @param string $table_name Table name
@@ -173,6 +173,10 @@ function maybe_drop_column($table_name, $column_name, $drop_ddl) {
  *      Default
  *      Extra
  *
+ * @since unknown
+ * @package WordPress
+ * @subpackage Plugin
+ *
  * @param string $table_name Table name
  * @param string $col_name Column name
  * @param string $col_type Column type