add a check to fragment_add_common() if the given tvb parameters are ok, otherwise throw a DissectorError
add some more symbols to libethereal.def
svn path=/trunk/; revision=17073
in addition, I had to implement fragment_get_reassembled() in addition to fragment_get(), which works with reassembled_table
svn path=/trunk/; revision=15762
as connection oriented (cn) and connectionless (dg) DCE/RPC uses different ways to handle defragmentation and this function is only used for dg
svn path=/trunk/; revision=15757