fcntl.c: mark F_DUPFD and F_DUPFD_CLOEXEC return code with RVAL_FD flag
fcntl.c: mark F_DUPFD and F_DUPFD_CLOEXEC return code with RVAL_FD flag

* fcntl.c (SYS_FUNC(fcntl)): Set RVAL_FD flag in the return code
for F_DUPFD and F_DUPFD_CLOEXEC operations.

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