zipcmp: link directly against zlib (for crc32())
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ad1f38c..8675f9c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -6,7 +6,7 @@
 ENDIF(NOT HAVE_GETOPT)
 
 ADD_EXECUTABLE(zipcmp zipcmp.c ${SRC_EXTRA_FILES})
-TARGET_LINK_LIBRARIES(zipcmp zip)
+TARGET_LINK_LIBRARIES(zipcmp zip ${ZLIB_LIBRARIES})
 INSTALL(TARGETS zipcmp RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 
 ADD_EXECUTABLE(zipmerge zipmerge.c ${SRC_EXTRA_FILES})