Fix wave file lengths (bug #2486)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3962 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/formats/format_wav_gsm.c b/formats/format_wav_gsm.c
index 90ef529..9030f03 100755 (executable)
--- a/formats/format_wav_gsm.c
+++ b/formats/format_wav_gsm.c
@@ -219,7 +219,7 @@ static int update_header(int fd)
        end = lseek(fd, 0, SEEK_END);
        /* in a gsm WAV, data starts 60 bytes in */
        bytes = end - 60;
-       datalen = htoll(bytes);
+       datalen = htoll((bytes + 1) & ~0x1);
        filelen = htoll(52 + ((bytes + 1) & ~0x1));
        if (cur < 0) {
                ast_log(LOG_WARNING, "Unable to find our position\n");