Make user-visible spelling "colours" rather than "colors".


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13671 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/FILES b/docs/FILES
index 80e27a2..da6f6e1 100644
--- a/docs/FILES
+++ b/docs/FILES
@@ -14,4 +14,4 @@
 TECH
 UISIMULATOR
 KNOWN_ISSUES
-sample.colors
+sample.colours