[IA64] SPIN_LOCK_UNLOCKED macro cleanup in arch/ia64

SPIN_LOCK_UNLOCKED macro cleanup, use __SPIN_LOCK_UNLOCKED instead.

Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index ffad762..fa4e6d4 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -32,9 +32,9 @@
 } purge;
 
 struct ia64_ctx ia64_ctx = {
-	.lock =		SPIN_LOCK_UNLOCKED,
-	.next =		1,
-	.max_ctx =	~0U
+	.lock =	__SPIN_LOCK_UNLOCKED(ia64_ctx.lock),
+	.next =	1,
+	.max_ctx = ~0U
 };
 
 DEFINE_PER_CPU(u8, ia64_need_tlb_flush);