[RFAv2 1/2] Fix regression for multi breakpoints command line clearing.

[Tom Tromey]

>>>>> "Philippe" == Philippe Waroquiers <philippe.waroquiers@skynet.be> writes:

Philippe> 2018-08-26  Philippe Waroquiers  <philippe.waroquiers@skynet.be>

Philippe> 	* breakpoint.c (commands_command_1): New boolean cmd_read
Philippe> 	to detect cmd was already read.

Thanks for doing this.
This is ok.  I think it should go on the 8.2 branch as well.

Tom