cmake: Use PROJECT_VERSION instead of CPACK_PACKAGE_VERSION

CMakeLists.txt

@@ -247,7 +247,7 @@ INCLUDE ( ${CMAKE_MODULE_PATH}/DpkgBuild.cmake )
 IF ( DPKG_FOUND AND NOT WIN32 )
     SET(CPACK_GENERATOR "DEB")
     SET(CPACK_DEBIAN_PACKAGE_NAME ${CPACK_PACKAGE_NAME})
-    SET(CPACK_DEBIAN_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION})
+    SET(CPACK_DEBIAN_PACKAGE_VERSION ${PROJECT_VERSION})
     SET(CPACK_DEBIAN_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION_SUMMARY})
     SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "${CPACK_PACKAGE_VENDOR} <${CPACK_PACKAGE_CONTACT}>")
     SET(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")