Do not append project build version to package name if it is 0 (that's the...

Do not append project build version to package name if it is 0 (that's the case for tagged releases).

build/CMakeLists.txt

@@ -37,9 +37,11 @@ set(CPACK_SOURCE_IGNORE_FILES
 "${CMAKE_BINARY_DIR}"
 "^${PROJECT_SOURCE_DIR}/.git*"
 )
-bc_project_build_version(${PROJECT_VERSION} PROJECT_VERSION_BUILD)
 
-set (CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_FILE_NAME}-${PROJECT_VERSION_BUILD}")
+bc_project_build_version(${PROJECT_VERSION} PROJECT_VERSION_BUILD)
+if(PROJECT_VERSION_BUILD)
+	set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_FILE_NAME}-${PROJECT_VERSION_BUILD}")
+endif()
 
 message("-- Package file name is ${CPACK_PACKAGE_FILE_NAME}" )