Fixed PASSTHROUGH collision in flood_round_robin.c.

This patch fixes compile errors in flood_round_robin.c
resulting from the Windows header file wingdi.h.  That
header file defines PASSTHROUGH, which is the same
identifier used as an enumerated constant for type
expand_param_e.  The enumerated constants now use a
prefix, "EPE_", to help make their names more unique.

Below are the compile errors this patch addresses:

Submitted by: Phi-Long Tran <>
Reviewed by: Justin Erenkrantz

git-svn-id: 13f79535-47bb-0310-9956-ffa450edef68
2 files changed