tekhex test for commit bf0f85df1254

	* testsuite/binutils-all/tek2.obj: Change to a 3 byte data file
	that triggers tekhex error fixed by commit bf0f85df1254.
	* testsuite/binutils-all/ar.exp: Adjust to suit.
	* testsuite/binutils-all/objcopy.exp (objcopy_tek2bin): New proc.
3 files changed