File permissions in distfile

[0-wiz-0]

When updating the package for pkgsrc, I noticed:

warning: /usr/pkg/share/collectd-web/media/css/blueprint/plugins/buttons/icons/cross.png: executable bit is set on non-executable file.
warning: /usr/pkg/share/collectd-web/media/css/blueprint/plugins/buttons/icons/key.png: executable bit is set on non-executable file.
warning: /usr/pkg/share/collectd-web/media/css/blueprint/plugins/buttons/icons/tick.png: executable bit is set on non-executable file.
warning: /usr/pkg/share/collectd-web/media/css/blueprint/plugins/silksprite/sprite.css: executable bit is set on non-executable file.
warning: /usr/pkg/share/collectd-web/media/css/blueprint/src/grid.css: executable bit is set on non-executable file.
warning: /usr/pkg/share/collectd-web/media/css/blueprint/src/print.css: executable bit is set on non-executable file.
warning: /usr/pkg/share/collectd-web/media/css/blueprint/src/reset.css: executable bit is set on non-executable file.

Please fix these permissions, thanks.