target: Make unnecessarily global se_dev_align_max_sectors() static

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 0048d0a..cf2c66f 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -841,7 +841,7 @@
 	return ret;
 }
 
-u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
+static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
 {
 	u32 tmp, aligned_max_sectors;
 	/*