readahead.c: make use of RVAL_DECODED
readahead.c: make use of RVAL_DECODED

* readahead.c (sys_readahead.c): Update for RVAL_DECODED.

kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,cuviper/strace,cuviper/strace,cuviper/strace,vrastogi/strace,vrastogi/strace,cuviper/strace,vrastogi/strace,kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,Saruta/strace,Distrotech/strace,Saruta/strace,Saruta/strace,Distrotech/strace,kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,cuviper/strace,Saruta/strace,Distrotech/strace,vrastogi/strace,vrastogi/strace,kapdop/android_external_strace,Distrotech/strace,Saruta/strace,MonkeyZZZZ/platform_external_strace,kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,Distrotech/strace