Fix ksokoban crashes on compressed level files
libz support seems to be broken

Signed-off-by: Alexander Golubev <fatzer2@...>

diff --git a/config.h.cmake b/config.h.cmake
index f4d5613..442ddc8 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -19,8 +19,8 @@
 #cmakedefine HAVE_USLEEP 1
 
 // ksokoban
-// Permanently turned on due to required by tdelibs anyway
-#define USE_LIBZ 1
+// FIXME: libz support in ksokoban seems to be broken (2016-05-04, Fat-Zer)
+// #define USE_LIBZ 1
 
 // libksirtet
 #cmakedefine HAVE_SYS_SELECT_H 1
diff --git a/ksokoban/images/CMakeLists.txt b/ksokoban/images/CMakeLists.txt
index e58ecba..c8ec74a 100644
--- a/ksokoban/images/CMakeLists.txt
+++ b/ksokoban/images/CMakeLists.txt
@@ -14,7 +14,7 @@
   ${CMAKE_CURRENT_BINARY_DIR}
 )
 
-add_definitions( -DUSE_LIBZ )
+# add_definitions( -DUSE_LIBZ )
 
 # FIXME: that should potentialy break the cross
 #        compilation, If it is possible in