Added tag 1.6.3-1 for changeset 51d975b8dc81
diff --git a/.hgtags b/.hgtags
index 5f376d9..3ba9ef1 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2,3 +2,4 @@
 868fd47765b444af7009fbcdc15cf6cbfb04f846 1.6.0-2
 0fdf7f57e8e26c57e4f5e0c60c7a032592ae209e 1.6.1-1
 20cf4129f9103e92e2ebcadf077ee28ad95ca4c7 1.6.2-1
+51d975b8dc8165ca66409ea3b71fe6cd30c8985d 1.6.3-1