missing cork libs

Former-commit-id: 3ff1edcd024f8c640f5154d9d643c0a2187702ce

shared/cmake/libigl.cmake

@@ -236,6 +236,7 @@ if(LIBIGL_WITH_CORK)
   compile_igl_module("cork")
   target_include_directories(igl_cork ${IGL_SCOPE} cork)
   target_include_directories(igl_cork ${IGL_SCOPE} "${CORK_DIR}/src")
+  target_link_libraries(igl_cork ${IGL_SCOPE} cork)
 endif()
 
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