[PULL 12/18] pc-bios/s390-ccw/virtio: Remove "extern" keyword from prototypes

[Thomas Huth <thuth@redhat.com>]

All the other protytpes in the headers here do not use the "extern"
keyword, so let's unify this by removing the "extern" from the misfits,
too.

Message-Id: <20220704111903.62400-12-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 pc-bios/s390-ccw/virtio.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/pc-bios/s390-ccw/virtio.h b/pc-bios/s390-ccw/virtio.h
index 600ba5052b..e657d381ec 100644
--- a/pc-bios/s390-ccw/virtio.h
+++ b/pc-bios/s390-ccw/virtio.h
@@ -185,12 +185,12 @@ VirtioGDN virtio_guessed_disk_nature(void);
 void virtio_assume_eckd(void);
 void virtio_assume_iso9660(void);
 
-extern bool virtio_ipl_disk_is_valid(void);
-extern int virtio_get_block_size(void);
-extern uint8_t virtio_get_heads(void);
-extern uint8_t virtio_get_sectors(void);
-extern uint64_t virtio_get_blocks(void);
-extern int virtio_read_many(ulong sector, void *load_addr, int sec_num);
+bool virtio_ipl_disk_is_valid(void);
+int virtio_get_block_size(void);
+uint8_t virtio_get_heads(void);
+uint8_t virtio_get_sectors(void);
+uint64_t virtio_get_blocks(void);
+int virtio_read_many(ulong sector, void *load_addr, int sec_num);
 
 #define VIRTIO_SECTOR_SIZE 512
 #define VIRTIO_ISO_BLOCK_SIZE 2048
-- 
2.31.1