Docs: Fix typo in a comment in `wp_get_image_mime()`.

Follow-up to [39831].

Props dilipbheda.
Fixes #55154.
Built from https://develop.svn.wordpress.org/trunk@52719


git-svn-id: http://core.svn.wordpress.org/trunk@52308 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/functions.php

@@ -3237,7 +3237,7 @@ function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
 function wp_get_image_mime( $file ) {
 	/*
 	 * Use exif_imagetype() to check the mimetype if available or fall back to
-	 * getimagesize() if exif isn't avaialbe. If either function throws an Exception
+	 * getimagesize() if exif isn't available. If either function throws an Exception
 	 * we assume the file could not be validated.
 	 */
 	try {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52718';
+$wp_version = '6.0-alpha-52719';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.