Author: Michael Bruck <mbruck@digenius.de>

    - simplify code in interface_jtag_add_plain_ir_scan() by adding a local variable 'scan' to hold the scan_command_t



git-svn-id: svn://svn.berlios.de/openocd/trunk@1844 b42882b7-edfa-0310-969c-e2dbd0fdcd60