[PATCH -next] of: export "allnodes" to fixx w1-gpio.c modular build

[Randy Dunlap]

From: Randy Dunlap <rdunlap at infradead.org>

Fix build when CONFIG_W1_MASTER_GPIO=m by exporting "allnodes".

ERROR: "allnodes" [drivers/w1/masters/w1-gpio.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap at infradead.org>
Cc: Ville Syrjala <syrjala at sci.fi>
---
 drivers/of/base.c |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20121129.orig/drivers/of/base.c
+++ linux-next-20121129/drivers/of/base.c
@@ -46,6 +46,7 @@ struct alias_prop {
 static LIST_HEAD(aliases_lookup);
 
 struct device_node *allnodes;
+EXPORT_SYMBOL(allnodes);
 struct device_node *of_chosen;
 struct device_node *of_aliases;