Core/Dep: Added libzip which IS needed by G3D

Fixes compile on Windows and Linux (if you didn't have libzip installed for
some reason).

--HG--
branch : trunk

dep/libzip/regress/CMakeLists.txt

@@ -0,0 +1,27 @@
+# $NiH$
+
+ENABLE_TESTING()
+
+SET(TEST_PROGRAMS
+  add_from_buffer
+  add_from_file
+  add_from_filep
+  encrypt
+  fread
+  get_comment
+  name_locate
+  open
+  set_comment_all
+  set_comment_localonly
+  set_comment_removeglobal
+  set_comment_revert
+)
+
+SET(ENV{srcdir} ${CMAKE_CURRENT_SOURCE_DIR})
+FOREACH(PROGRAM ${TEST_PROGRAMS})
+  ADD_EXECUTABLE(${PROGRAM} ${PROGRAM}.c)
+  TARGET_LINK_LIBRARIES(${PROGRAM} zip)
+  ADD_TEST(${PROGRAM} ${CMAKE_CURRENT_SOURCE_DIR}/runtest ${CMAKE_CURRENT_SOURCE_DIR}/${PROGRAM})
+ENDFOREACH(PROGRAM ${TEST_PROGRAMS})
+
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../lib)