m68k: missing __init

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/m68k/sun3x/prom.c b/arch/m68k/sun3x/prom.c
index 48f8eb7..a7b7e81 100644
--- a/arch/m68k/sun3x/prom.c
+++ b/arch/m68k/sun3x/prom.c
@@ -92,7 +92,7 @@
 	.index	= -1,
 };
 
-void sun3x_prom_init(void)
+void __init sun3x_prom_init(void)
 {
 	/* Read the vector table */