--- a/libpurple/ciphers/gchecksum.c Sun May 05 14:59:11 2013 +0200 +++ b/libpurple/ciphers/gchecksum.c Sun May 05 15:37:25 2013 +0200 @@ -121,6 +121,7 @@ NULL, /* set salt */ \ NULL, /* get salt size */ \ NULL, /* set key */ \ + NULL, /* get key size */ \ NULL, /* set batch mode */ \ NULL, /* get batch mode */ \ lower##_get_block_size, /* get block size */ \