File bctoolbox-fix-no-git.patch of Package bctoolbox

--- a/cmake/BcGitVersion.cmake
+++ b/cmake/BcGitVersion.cmake
@@ -49,6 +49,7 @@ elseif(GIT_REVISION)
 	configure_file("${TEMPLATE_DIR}/gitversion.h.in" "${OUTPUT_DIR}/gitversion.h" @ONLY)
 else()
 	if(NOT EXISTS "${OUTPUT_DIR}/gitversion.h")
-		execute_process(COMMAND ${CMAKE_COMMAND} -E touch "${OUTPUT_DIR}/gitversion.h")
+		set(PROJECT_GIT_VERSION "unknown")
+		configure_file("${TEMPLATE_DIR}/gitversion.h.in" "${OUTPUT_DIR}/gitversion.h" @ONLY)
 	endif()
 endif()