Fix a tiny signedness warning.

diff --git a/imap/auth.c b/imap/auth.c
index 04a2b36f1fb6f5506001f60a67fe354ac27fe5ef..ba11f0239953da4974cc395aa8f829c72a66da39 100644 (file)
--- a/imap/auth.c
+++ b/imap/auth.c
@@ -73,7 +73,7 @@ static void hmac_md5 (const char* password, char* challenge,
     secret_len = MD5_DIGEST_LEN;
   }
   else
-    strfcpy (secret, password, sizeof (secret));
+    strfcpy ((char *) secret, password, sizeof (secret));
 
   memset (ipad, 0, sizeof (ipad));
   memset (opad, 0, sizeof (opad));