Fix reference to removed variable YCM_VERSION_SHORT

Author: traversaro

internal-modules/YCMPack.cmake

@@ -9,7 +9,7 @@ set(CPACK_PACKAGE_VENDOR "Istituto Italiano di Tecnologia (IIT)")
 set(CPACK_PACKAGE_VERSION_MAJOR "${YCM_VERSION_MAJOR}")
 set(CPACK_PACKAGE_VERSION_MINOR "${YCM_VERSION_MINOR}")
 set(CPACK_PACKAGE_VERSION_PATCH "${YCM_VERSION_PATCH}")
-set(CPACK_PACKAGE_VERSION "${YCM_VERSION_SHORT}")
+set(CPACK_PACKAGE_VERSION "${YCM_VERSION}")
 
 set(CPACK_PACKAGE_DESCRIPTION_FILE "${YCM_SOURCE_DIR}/README.md")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Extra CMake Modules for YARP and friends")