MFC r268395:
Pass correct command that should be aborted to ISPCTL_ABORT_CMD.

This makes XPT_ABORT to work for me on initiator side of isp(4).
Previous code was trying to abort the XPT_ABORT itself and failed.
MFC r272937: Fix r272936 build with old GCC.
MFC r275420:

 gpioctl: don't print the command line arguments.

PR:	  	195330
Submitted by:	Scott Ellis jumpnowtek at gmail.com