Merge "vp8 fix: deallocate denoiser->yv12_last_source"

vp8/encoder/denoising.c

diff --git a/vp8/encoder/denoising.c b/vp8/encoder/denoising.c
index 4621d13..2da0d8c 100644
--- a/vp8/encoder/denoising.c
+++ b/vp8/encoder/denoising.c
@@ -430,6 +430,7 @@
         vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_running_avg[i]);
     }
     vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_mc_running_avg);
+    vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_last_source);
     vpx_free(denoiser->denoise_state);
 }