[tracker] tracker-extract: Fix flac albumartistsort tag parsing

[Marinus Schraal <mschraal src gnome org>]

commit ce75c9ac9cd3c4de41eb400336e92effecc70ca7
Author: Marinus Schraal <mschraal src gnome org>
Date:   Fri Nov 11 13:16:18 2016 +0100

    tracker-extract: Fix flac albumartistsort tag parsing
    
    Albumartist tag can have a sort variant too.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772596

 src/tracker-extract/tracker-extract-flac.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-flac.c b/src/tracker-extract/tracker-extract-flac.c
index 67cd657..56092c6 100644
--- a/src/tracker-extract/tracker-extract-flac.c
+++ b/src/tracker-extract/tracker-extract-flac.c
@@ -88,7 +88,7 @@ parse_vorbis_comments (FLAC__StreamMetadata_VorbisComment *comment,
                        }
                } else if (g_ascii_strncasecmp (entry.entry, "album=", 6) == 0) {
                        fd->album = g_strdup (entry.entry + 6);
-               } else if (g_ascii_strncasecmp (entry.entry, "albumartist", 11) == 0) {
+               } else if (g_ascii_strncasecmp (entry.entry, "albumartist=", 12) == 0) {
                        fd->albumartist = g_strdup (entry.entry + 12);
                } else if (g_ascii_strncasecmp (entry.entry, "trackcount", 10) == 0) {
                        fd->trackcount = g_strdup (entry.entry + 11);