Coding Standards: Fix WPCS issue in [46115].

See #43542.
Built from https://develop.svn.wordpress.org/trunk@46116


git-svn-id: http://core.svn.wordpress.org/trunk@45928 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/pluggable.php

@@ -454,7 +454,7 @@ if ( ! function_exists( 'wp_mail' ) ) :
 		if ( ! empty( $headers ) ) {
 			foreach ( (array) $headers as $name => $content ) {
 				// Only add custom headers not added automatically by PHPMailer.
-				if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer') ) ) {
+				if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer' ) ) ) {
 					$phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
 				}
 			}

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-46115';
+$wp_version = '5.3-alpha-46116';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.