[z2505] Update code for new recast/detour return value.

(based on commit [12691] - 3b6b2e3)

Signed-off-by: Peter Camastral <petercamastral@gmx.ch>

Conflicts:
	contrib/mmap/src/MapBuilder.cpp
	dep
	src/game/Level2.cpp
	src/game/MoveMap.cpp
	src/game/PathFinder.cpp
	src/realmd
	src/shared/revision_nr.h