Updates utils-x11: f0f3e8f Fix: xbrightness: misc fixes

diff --git a/utils-x11 b/utils-x11
index d4ec95928868535669e76a0bb2c57e0c853977fb..f0f3e8fd8089279dda9570a79a7eed0201b2895e 160000 (submodule)
--- a/utils-x11
+++ b/utils-x11
@@ -1 +1 @@
-Subproject commit d4ec95928868535669e76a0bb2c57e0c853977fb
+Subproject commit f0f3e8fd8089279dda9570a79a7eed0201b2895e