Docs: Correct grammar in PemFTP description.

Props umang7.
Fixes #46507.
Built from https://develop.svn.wordpress.org/trunk@44920


git-svn-id: http://core.svn.wordpress.org/trunk@44751 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-ftp-pure.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * PemFTP - A Ftp implementation in pure PHP
+ * PemFTP - An Ftp implementation in pure PHP
  *
  * @package PemFTP
  * @since 2.5.0

wp-admin/includes/class-ftp-sockets.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * PemFTP - A Ftp implementation in pure PHP
+ * PemFTP - An Ftp implementation in pure PHP
  *
  * @package PemFTP
  * @since 2.5.0

wp-admin/includes/class-ftp.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * PemFTP - A Ftp implementation in pure PHP
+ * PemFTP - An Ftp implementation in pure PHP
  *
  * @package PemFTP
  * @since 2.5.0

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.2-alpha-44919';
+$wp_version = '5.2-alpha-44920';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.