Docs: Use 3-digit, x.x.x style semantic versioning for `@since` entries in `wp-admin/js/word-count.js`.

See #37718.
Built from https://develop.svn.wordpress.org/trunk@39739


git-svn-id: http://core.svn.wordpress.org/trunk@39679 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/word-count.js

@@ -4,7 +4,7 @@
  * @summary   Count words or characters in a text.
  *
  * @namespace wp.utils
- * @since     2.6
+ * @since     2.6.0
  */
 
 ( function() {
@@ -145,7 +145,7 @@
 	 *
 	 * @summary  Count the number of elements in a text.
 	 *
-	 * @since    2.6
+	 * @since    2.6.0
 	 * @memberof wp.utils.wordcounter
 	 *
 	 * @param {String}  text Text to count elements in.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-39738';
+$wp_version = '4.8-alpha-39739';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.