David Brownell <david-b@pacbell.net>:

Minor jtag cleanup:

 - remove hidden assumption about JTAG event numbering
 - move function declarations to a header
 - some end'o'line whitespace
 - use "calloc" not "malloc + memset"


git-svn-id: svn://svn.berlios.de/openocd/trunk@2244 b42882b7-edfa-0310-969c-e2dbd0fdcd60