fix linting errors

Author: R1shabh-Gupta

src/wp-includes/pluggable.php

@@ -356,8 +356,8 @@ function wp_mail( $to, $subject, $message, $headers = '', $attachments = array()
 		$phpmailer->clearAttachments();
 		$phpmailer->clearCustomHeaders();
 		$phpmailer->clearReplyTos();
-		$phpmailer->Body    = '';
-		$phpmailer->AltBody = '';
+		$phpmailer->Body     = '';
+		$phpmailer->AltBody  = '';
 		$phpmailer->Encoding = PHPMailer\PHPMailer\PHPMailer::ENCODING_8BIT;
 
 		// Set "From" name and email.