Write CSS file as UTF-8

By not using deprecated IOUtils method.

Change-Id: Id9b61b089b719c03da298e03b4df541b0dd17c3d
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.images/+/190611
Reviewed-by: Matthias Becker <ma.becker@sap.com>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
Tested-by: Alexander Kurtakov <akurtako@redhat.com>
1 file changed
tree: b36739214e5b85b91a59ff3ba2b434a335a56539
  1. org.eclipse.images/
  2. org.eclipse.images.renderer/
  3. .gitignore
  4. pom.xml