powerpc/fadump: Fix build error introduced by recent cleanup

We spent so much time bike-shedding the printk() we missed that the next
line was missing a semi-colon. And it seems none of our defconfigs turn
on CONFIG_FA_DUMP.

Fixes: 4a03749f140c ("powerpc/fadump: Trivial fix of spelling mistake, clean up message")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/fadump.c

@@ -1010,7 +1010,7 @@ static int fadump_invalidate_dump(struct fadump_mem_struct *fdm)
 
 	if (rc) {
 		pr_err("Failed to invalidate firmware-assisted dump registration. Unexpected error (%d).\n", rc);
-		return rc
+		return rc;
 	}
 	fw_dump.dump_active = 0;
 	fdm_active = NULL;