[css-device-adapt] Update url to editor draft

Author: frivoal

css-device-adapt/Overview.bs

@@ -6,7 +6,7 @@ Group: CSSWG
 Status: ED
 Work Status: Exploring
 TR: http://www.w3.org/TR/css-device-adapt/
-ED: http://dev.w3.org/csswg/css-device-adapt/
+ED: https://drafts.csswg.org/css-device-adapt/
 Previous Version: http://www.w3.org/TR/2011/WD-css-device-adapt-20110915/
 Editor: Rune Lillesveen, Opera Software, rune@opera.com
 Editor: Florian Rivoal, Invited Expert, florian@rivoal.net, http://florian.rivoal.net