* gw/smsc/smsc_smpp.c, gw/dlr.h: dropped SMPP specific intermediate dlr mask
      and replaced it with abstracted buffered.

git-svn-id: https://svn.kannel.org/gateway/trunk@5111 a7d65f57-29cd-40c9-b71e-ebca51ad1b1d
Merge branch 'trunk'