Make CDEF local functions static

Change-Id: I89035a64414f9511789022704ad9343bc2937666

av1/common/cdef.c

diff --git a/av1/common/cdef.c b/av1/common/cdef.c
index ef55e8f..a02126a 100644
--- a/av1/common/cdef.c
+++ b/av1/common/cdef.c
@@ -117,9 +117,9 @@
   }
 }
 
-void copy_sb8_16(UNUSED AV1_COMMON *cm, uint16_t *dst, int dstride,
-                 const uint8_t *src, int src_voffset, int src_hoffset,
-                 int sstride, int vsize, int hsize) {
+static void copy_sb8_16(UNUSED AV1_COMMON *cm, uint16_t *dst, int dstride,
+                        const uint8_t *src, int src_voffset, int src_hoffset,
+                        int sstride, int vsize, int hsize) {
 #if CONFIG_HIGHBITDEPTH
   if (cm->use_highbitdepth) {
     const uint16_t *base =

av1/common/od_dering.c

diff --git a/av1/common/od_dering.c b/av1/common/od_dering.c
index f54f337..df4fb2a 100644
--- a/av1/common/od_dering.c
+++ b/av1/common/od_dering.c
@@ -202,9 +202,9 @@
     for (j = 0; j < 4; j++) dst[i * dstride + j] = src[i * sstride + j];
 }
 
-void copy_dering_16bit_to_16bit(uint16_t *dst, int dstride, uint16_t *src,
-                                dering_list *dlist, int dering_count,
-                                int bsize) {
+static void copy_dering_16bit_to_16bit(uint16_t *dst, int dstride,
+                                       uint16_t *src, dering_list *dlist,
+                                       int dering_count, int bsize) {
   int bi, bx, by;
 
   if (bsize == BLOCK_8X8) {

av1/common/od_dering.h

diff --git a/av1/common/od_dering.h b/av1/common/od_dering.h
index 4362001..031112b 100644
--- a/av1/common/od_dering.h
+++ b/av1/common/od_dering.h
@@ -39,9 +39,6 @@
                                                 const uint16_t *in,
                                                 int threshold, int dir,
                                                 int damping);
-void copy_dering_16bit_to_16bit(uint16_t *dst, int dstride, uint16_t *src,
-                                dering_list *dlist, int dering_count,
-                                int bsize);
 
 int get_filter_skip(int level);