vpx{dec,enc}: resolve missing declarations

BUG=webm:1584

Change-Id: I81e53e579e6fd22b7b21f432256abbe91bf77b15

2 files changed, 2 insertions, 2 deletions

diff --git a/vpxdec.c b/vpxdec.c
index eaa28bd84..7f544d4bc 100644
--- a/vpxdec.c
+++ b/vpxdec.c
@@ -175,7 +175,7 @@ static INLINE int libyuv_scale(vpx_image_t *src, vpx_image_t *dst,
                    dst->d_h, mode);
 }
 #endif
-void show_help(FILE *fout, int shorthelp) {
+static void show_help(FILE *fout, int shorthelp) {
   int i;
 
   fprintf(fout, "Usage: %s <options> filename\n\n", exec_name);
diff --git a/vpxenc.c b/vpxenc.c
index 9fd36af33..b7841522d 100644
--- a/vpxenc.c
+++ b/vpxenc.c
@@ -560,7 +560,7 @@ static const int vp9_arg_ctrl_map[] = { VP8E_SET_CPUUSED,
 
 static const arg_def_t *no_args[] = { NULL };
 
-void show_help(FILE *fout, int shorthelp) {
+static void show_help(FILE *fout, int shorthelp) {
   int i;
   const int num_encoder = get_vpx_encoder_count();