message: Fix error in QEnableErrorStrings gdb-remote docs
  this probably happened because we changed the name of the packet
  mid-review.
diff: @@ -148,7 +148,7 @@ This packet can be sent one or more times _prior_ to sending a "A" packet.
  // are human readable along with an error code.
  //----------------------------------------------------------------------
  -send packet: $QErrorStringInPacketSupported
  +send packet: $QEnableErrorStrings
  read packet: $OK#00
  //----------------------------------------------------------------------
  