* MSC/SMPP: fix RP-ACK expectations in TC_smpp_mo_sms
* MSC/SMPP: introduce TC_smpp_mo_sms_rp_error for OS#4351
* library/L3_Templates.ttcn: fix length matching in tr_RP_ERROR_MT
* MSC/SMS-over-GSUP: cosmetic: use a single log() call to print received PDU
* MSC: fix coding style in f_tc_lu_and_mt_sms_paging_and_nothing()