[binutils-gdb] Fixes "readelf -s --wide" not returning an error status or help message.

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT b6370efb1efe39e62abd01e95c7957834c8bdf47 ***

Author: Nick Clifton <nickc@redhat.com>
Branch: master
Commit: b6370efb1efe39e62abd01e95c7957834c8bdf47

Fixes "readelf -s --wide" not returning an error status or help message.
	PR binutils/18101
	* readelf.c (parse_args): Enhance check for nothing to do by
	accounting for the --wide option.