gnus-registry-enabled fixes to give default value.

lisp/gnus/ChangeLog

+2011-10-31  Teodor Zlatanov  <tzz@lifelogs.com>
+
+	* nnregistry.el: Remove unnecessary `gnus-registry-enabled' defvar.
+	* nnir.el: Ditto.
+	* nnmairix.el: Ditto.
+
+	* gnus-registry.el (gnus-registry-enabled): Default to nil.
+
 2011-10-26  Stefan Monnier  <monnier@iro.umontreal.ca>
 	* message.el (message-completion-function): Make sure
@@ -25,7 +33,7 @@
 	* nnir.el (gnus-registry-enabled): Defvar to keep the compiler happy.
 	* nnmairix.el (gnus-registry-enabled): Ditto.
-2011-10-17  Dave Abrahams  <dave@boostpro.com>
+2011-10-17  Dave Abrahams  <dave@boostpro.com>  (tiny change)
 	* gnus-registry.el (gnus-registry-enabled): Add new variable. (Bug#9691)
 	(gnus-registry-install-shortcuts): Set `gnus-registry-install' to 'ask

lisp/gnus/gnus-registry.el

@@ -164,7 +164,7 @@ nnmairix groups are specifically excluded because they are ephemeral."
                  (const :tag "Always Install" t)
                  (const :tag "Ask Me" ask)))
 
-(defvar gnus-registry-enabled)
+(defvar gnus-registry-enabled nil)
 
 (defvar gnus-summary-misc-menu) ;; Avoid byte compiler warning.
 

lisp/gnus/nnir.el

@@ -292,9 +292,6 @@ is `(valuefunc member)'."
   (autoload 'nnimap-make-thread-query "nnimap")
   (autoload 'gnus-registry-action "gnus-registry"))
 
-;; Suppress byte-compiler warning `reference to free variable'
-(defvar gnus-registry-enabled)
-
 (nnoo-declare nnir)
 (nnoo-define-basics nnir)
 

lisp/gnus/nnmairix.el

@@ -605,9 +605,6 @@ Other back ends might or might not work.")
 ;; Silence byte-compiler.
 (autoload 'gnus-registry-get-id-key "gnus-registry")
 
-;; Suppress byte-compiler warning `reference to free variable'
-(defvar gnus-registry-enabled)
-
 (deffoo nnmairix-request-set-mark (group actions &optional server)
   (when server
     (nnmairix-open-server server))

lisp/gnus/nnregistry.el

@@ -36,9 +36,6 @@
 
 (nnoo-declare nnregistry)
 
-;; Suppress byte-compiler warning `reference to free variable'
-(defvar gnus-registry-enabled)
-
 (deffoo nnregistry-server-opened (server)
   gnus-registry-enabled)