Fix aom_codec_frame_get_fn_t typos in comments.

The correct name is aom_codec_get_frame_fn_t.

Change-Id: Ic19d65e474b81767623ae4381c12f3d8a5132874

av1/av1_cx_iface.c

diff --git a/av1/av1_cx_iface.c b/av1/av1_cx_iface.c
index 65949c9..c440c67 100644
--- a/av1/av1_cx_iface.c
+++ b/av1/av1_cx_iface.c
@@ -1810,7 +1810,7 @@
       NULL,  // aom_codec_peek_si_fn_t
       NULL,  // aom_codec_get_si_fn_t
       NULL,  // aom_codec_decode_fn_t
-      NULL,  // aom_codec_frame_get_fn_t
+      NULL,  // aom_codec_get_frame_fn_t
       NULL   // aom_codec_set_fb_fn_t
   },
   {

av1/av1_dx_iface.c

diff --git a/av1/av1_dx_iface.c b/av1/av1_dx_iface.c
index d5d5a8d..aa2987d 100644
--- a/av1/av1_dx_iface.c
+++ b/av1/av1_dx_iface.c
@@ -1206,7 +1206,7 @@
       decoder_peek_si,    // aom_codec_peek_si_fn_t
       decoder_get_si,     // aom_codec_get_si_fn_t
       decoder_decode,     // aom_codec_decode_fn_t
-      decoder_get_frame,  // aom_codec_frame_get_fn_t
+      decoder_get_frame,  // aom_codec_get_frame_fn_t
       decoder_set_fb_fn,  // aom_codec_set_fb_fn_t
   },
   {