Build cgo files with -Wall -Werror

To avoid unnecessary warnings and errors in the future I'd like to
propose building all cgo related sources with `-Wall -Werror`. This
commit fixes some warnings which came up in `shm_lock.c`, too.

Signed-off-by: Sascha Grunert <sgrunert@suse.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/libpod/lock/shm/shm_lock.h b/libpod/lock/shm/shm_lock.h
index 759f8178a..8796b43f4 100644
--- a/libpod/lock/shm/shm_lock.h
+++ b/libpod/lock/shm/shm_lock.h
@@ -32,9 +32,6 @@ typedef struct shm_struct {
   lock_group_t    locks[];
 } shm_struct_t;
 
-static size_t compute_shm_size(uint32_t num_bitmaps);
-static int take_mutex(pthread_mutex_t *mutex);
-static int release_mutex(pthread_mutex_t *mutex);
 shm_struct_t *setup_lock_shm(char *path, uint32_t num_locks, int *error_code);
 shm_struct_t *open_lock_shm(char *path, uint32_t num_locks, int *error_code);
 int32_t close_lock_shm(shm_struct_t *shm);