[MIPS] Make set_vi_srs_handler static.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index bed0eb6..4efe3f2 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1019,7 +1019,7 @@
 	spin_unlock_irqrestore(&sr->sr_lock, flags);
 }
 
-void *set_vi_srs_handler (int n, void *addr, int srs)
+static void *set_vi_srs_handler(int n, void *addr, int srs)
 {
 	unsigned long handler;
 	unsigned long old_handler = vi_handlers[n];