CM Legal - use https

Change-Id: If802190875e5106e8f2bf5827069b87fbb738155
diff --git a/config/common.mk b/config/common.mk
index e77c93d..7b1b2bb 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -289,7 +289,7 @@
   ro.cm.version=$(CM_VERSION) \
   ro.cm.releasetype=$(CM_BUILDTYPE) \
   ro.modversion=$(CM_VERSION) \
-  ro.cmlegal.url=http://www.cyanogenmod.org/docs/privacy
+  ro.cmlegal.url=https://www.cyanogenmod.org/docs/privacy
 
 -include vendor/cm-priv/keys/keys.mk