sh: intc: Make global intc controller counter static.

No need to expose this globally since it's only used for core accounting.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index e53e449..c64690d 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -35,7 +35,7 @@
 
 LIST_HEAD(intc_list);
 DEFINE_RAW_SPINLOCK(intc_big_lock);
-unsigned int nr_intc_controllers;
+static unsigned int nr_intc_controllers;
 
 /*
  * Default priority level