Add a missing prototype for function `note_bootable_part` to silence a
warning treated as error with W=1:

  arch/powerpc/platforms/powermac/setup.c:361:12: error: no previous prototype for ‘note_bootable_part’ [-Werror=missing-prototypes]

Suggested-by: Christophe Leroy <redacted>
Signed-off-by: Mathieu Malaterre <redacted>
---
v3: remove extern keyword
v2: no change
 arch/powerpc/platforms/powermac/setup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index ab668cb72263..8b2eab1340f4 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c

@@ -352,6 +352,7 @@ static int pmac_late_init(void)
 }
 machine_late_initcall(powermac, pmac_late_init);
 
+void note_bootable_part(dev_t dev, int part, int goodness);
 /*
  * This is __ref because we check for "initializing" before
  * touching any of the __init sensitive things and "initializing"

-- 
2.11.0