RMG - fix stone tile count and walkable tiles
RMG - fix stone tile count and walkable tiles

reyandme/kam_remake,thibmo/kam_remake,thibmo/kam_remake,thibmo/kam_remake,reyandme/kam_remake,reyandme/kam_remake,reyandme/kam_remake,thibmo/kam_remake,reyandme/kam_remake,thibmo/kam_remake