gtk-update-icon-cache: No theme index file.

Usage: gtk-update-icon-cache [OPTION...] ICONPATH Help Options: -h, --help Show help options Application Options: -f, --force Overwrite an existing cache, even if up to date -t, --ignore-theme-index Don't check for the existence of index.theme -i, --index-only Don't include image data in the cache --include-image-data Include image data in the cache -c, --source=NAME Output a C header file -q, --quiet Turn off verbose output -v, --validate Validate existing icon cache