Fix decoding of indirect shmat's return code for non-native personalities
Fix decoding of indirect shmat's return code for non-native personalities

* ipc_shm.c (SYS_FUNC(shmat)): Fetch current_wordsize bytes of data
to obtain return code of indirect shmat subcall.

Saruta/strace,Saruta/strace,Saruta/strace,cuviper/strace,cuviper/strace,cuviper/strace,cuviper/strace,Saruta/strace,cuviper/strace,Saruta/strace