Revert a minor part of revision 211364:
Revert a minor part of revision 211364:

 - Imply -h if single file is grepped, this is the GNU behaviour

This is already done by code above the change and have caused a regression
since this instance of code does not check Hflag.

Reported by:	davidxu
Pointy hat to:	delphij

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase