* LWIP_MARK_TCPIP_THREAD moved to include/lwip/sys.h
* Unix port macro definitions moved to sys_arch.h
* LWIP_MARK_TCPIP_THREAD
* LOCK_TCPIP_CORE
* UNLOCK_TCPIP_CORE
(goldsimon@gmx.de: fixed unix Makefile build and win32 build)
Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>
This reverts commit a0d7b01186.
The new 'keypressed()' wasn't platform-independent but broke
the win32 port.
Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>