Make sure "retval" is not null before writing to it
Make sure "retval" is not null before writing to it

NULL is allowed for retval according to AMX sources
and AFAIK streamer plugin utilizes this.

WopsS/sampgdk,Zeex/sampgdk,WopsS/sampgdk,WopsS/sampgdk,Zeex/sampgdk,Zeex/sampgdk