libvpx: Pull from upstream

source/libvpx/vpx_dsp/inv_txfm.h

Index: source/libvpx/vpx_dsp/inv_txfm.h
diff --git a/source/libvpx/vpx_dsp/inv_txfm.h b/source/libvpx/vpx_dsp/inv_txfm.h
index b11039ab851b3da515a4755641d186dbab39f500..23588139edd6dc1d616c7f071070f99f5d629977 100644
--- a/source/libvpx/vpx_dsp/inv_txfm.h
+++ b/source/libvpx/vpx_dsp/inv_txfm.h
@@ -97,14 +97,13 @@ void iadst8_c(const tran_low_t *input, tran_low_t *output);
 void iadst16_c(const tran_low_t *input, tran_low_t *output);
 
 #if CONFIG_VP9_HIGHBITDEPTH
-void vp9_highbd_idct4_c(const tran_low_t *input, tran_low_t *output, int bd);
-void vp9_highbd_idct8_c(const tran_low_t *input, tran_low_t *output, int bd);
-void vp9_highbd_idct16_c(const tran_low_t *input, tran_low_t *output, int bd);
-void highbd_idct32_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vpx_highbd_idct4_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vpx_highbd_idct8_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vpx_highbd_idct16_c(const tran_low_t *input, tran_low_t *output, int bd);
 
-void highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd);
-void highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd);
-void highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vpx_highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vpx_highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd);
+void vpx_highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd);
 
 static INLINE uint16_t highbd_clip_pixel_add(uint16_t dest, tran_high_t trans,
                                              int bd) {