remove duplicate const from vpx_codec_iface_t use

the public typedef already includes a const, quiets
'same type qualifier used more than once' warnings

Change-Id: Ib118b3b116fba59d4c6ead84d85b26e5d3ed363d

examples/example_xma.c

@@ -27,7 +27,7 @@ static int   verbose = 0;
 
 static const struct {
   const char *name;
-  const vpx_codec_iface_t *iface;
+  vpx_codec_iface_t *iface;
 } ifaces[] = {
 #if CONFIG_VP9_DECODER
   {"vp9",  &vpx_codec_vp8_dx_algo},

test/codec_factory.h

@@ -71,7 +71,7 @@ class VP8Decoder : public Decoder {
       : Decoder(cfg, deadline) {}
 
  protected:
-  virtual const vpx_codec_iface_t* CodecInterface() const {
+  virtual vpx_codec_iface_t* CodecInterface() const {
 #if CONFIG_VP8_DECODER
     return &vpx_codec_vp8_dx_algo;
 #else
@@ -87,7 +87,7 @@ class VP8Encoder : public Encoder {
       : Encoder(cfg, deadline, init_flags, stats) {}
 
  protected:
-  virtual const vpx_codec_iface_t* CodecInterface() const {
+  virtual vpx_codec_iface_t* CodecInterface() const {
 #if CONFIG_VP8_ENCODER
     return &vpx_codec_vp8_cx_algo;
 #else
@@ -153,7 +153,7 @@ class VP9Decoder : public Decoder {
       : Decoder(cfg, deadline) {}
 
  protected:
-  virtual const vpx_codec_iface_t* CodecInterface() const {
+  virtual vpx_codec_iface_t* CodecInterface() const {
 #if CONFIG_VP9_DECODER
     return &vpx_codec_vp9_dx_algo;
 #else
@@ -169,7 +169,7 @@ class VP9Encoder : public Encoder {
       : Encoder(cfg, deadline, init_flags, stats) {}
 
  protected:
-  virtual const vpx_codec_iface_t* CodecInterface() const {
+  virtual vpx_codec_iface_t* CodecInterface() const {
 #if CONFIG_VP9_ENCODER
     return &vpx_codec_vp9_cx_algo;
 #else

test/decode_test_driver.h

@@ -77,7 +77,7 @@ class Decoder {
   }
 
  protected:
-  virtual const vpx_codec_iface_t* CodecInterface() const = 0;
+  virtual vpx_codec_iface_t* CodecInterface() const = 0;
 
   void InitOnce() {
     if (!init_done_) {

test/encode_test_driver.h

@@ -128,7 +128,7 @@ class Encoder {
   }
 
  protected:
-  virtual const vpx_codec_iface_t* CodecInterface() const = 0;
+  virtual vpx_codec_iface_t* CodecInterface() const = 0;
 
   const char *EncoderError() {
     const char *detail = vpx_codec_error_detail(&encoder_);

vpxdec.c

@@ -39,7 +39,7 @@ static const char *exec_name;
 
 static const struct {
   char const *name;
-  const vpx_codec_iface_t *(*iface)(void);
+  vpx_codec_iface_t *(*iface)(void);
   uint32_t fourcc;
 } ifaces[] = {
 #if CONFIG_VP8_DECODER

vpxenc.c

@@ -62,8 +62,8 @@ static const char *exec_name;
 
 static const struct codec_item {
   char const              *name;
-  const vpx_codec_iface_t *(*iface)(void);
-  const vpx_codec_iface_t *(*dx_iface)(void);
+  vpx_codec_iface_t *(*iface)(void);
+  vpx_codec_iface_t *(*dx_iface)(void);
   unsigned int             fourcc;
 } codecs[] = {
 #if CONFIG_VP8_ENCODER && CONFIG_VP8_DECODER