make kernel/power/main.c:suspend_enter() static

suspend_enter() can now become static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 350b485..2a46b6d 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -128,7 +128,7 @@
  *
  *	This function should be called after devices have been suspended.
  */
-int suspend_enter(suspend_state_t state)
+static int suspend_enter(suspend_state_t state)
 {
 	int error = 0;