From 379a08157f79fd758a7eeba67a974607c4ada4d4 Mon Sep 17 00:00:00 2001
From: Michael Elkins <me@sigpipe.org>
Date: Mon, 14 Jan 2013 08:50:48 -0800
Subject: [PATCH] avoid debug warning about trailing whitespace in a base64
 encoded attachment

closes #3558
---
 handler.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/handler.c b/handler.c
index 13c89ecc5..fa4e48d06 100644
--- a/handler.c
+++ b/handler.c
@@ -306,8 +306,10 @@ void mutt_decode_base64 (STATE *s, long len, int istext, iconv_t cd)
     }
     if (i != 4)
     {
-      dprint (2, (debugfile, "%s:%d [mutt_decode_base64()]: "
-		  "didn't get a multiple of 4 chars.\n", __FILE__, __LINE__));
+      /* "i" may be zero if there is trailing whitespace, which is not an error */
+      if (i != 0)
+	dprint (2, (debugfile, "%s:%d [mutt_decode_base64()]: "
+	      "didn't get a multiple of 4 chars.\n", __FILE__, __LINE__));
       break;
     }
 
-- 
2.40.0