COMP: Make OpenSlide library linking transitive

Author: dzenanz

src/CMakeLists.txt

@@ -9,5 +9,5 @@ if(NOT OPENSLIDE_FOUND)
 endif()
 
 itk_module_add_library(IOOpenSlide ${IOOpenSlide_SRCS})
-target_link_libraries(IOOpenSlide LINK_PRIVATE ${OPENSLIDE_LIBRARIES})
+target_link_libraries(IOOpenSlide PUBLIC ${OPENSLIDE_LIBRARIES})
 target_include_directories(IOOpenSlide SYSTEM PRIVATE ${OPENSLIDE_INCLUDE_DIRS})