libvpx: Pull from upstream

source/libvpx/vpx_scale/generic/yv12config.c

Index: source/libvpx/vpx_scale/generic/yv12config.c
===================================================================
--- source/libvpx/vpx_scale/generic/yv12config.c	(revision 219822)
+++ source/libvpx/vpx_scale/generic/yv12config.c	(working copy)
@@ -60,7 +60,7 @@
 
     /* Only support allocating buffers that have a border that's a multiple
      * of 32. The border restriction is required to get 16-byte alignment of
-     * the start of the chroma rows without intoducing an arbitrary gap
+     * the start of the chroma rows without introducing an arbitrary gap
      * between planes, which would break the semantics of things like
      * vpx_img_set_rect(). */
     if (border & 0x1f)
@@ -158,7 +158,7 @@
 
     /* Only support allocating buffers that have a border that's a multiple
      * of 32. The border restriction is required to get 16-byte alignment of
-     * the start of the chroma rows without intoducing an arbitrary gap
+     * the start of the chroma rows without introducing an arbitrary gap
      * between planes, which would break the semantics of things like
      * vpx_img_set_rect(). */
     if (border & 0x1f)
@@ -192,7 +192,7 @@
     ybf->alpha_buffer = ybf->buffer_alloc + yplane_size + 2 * uvplane_size +
                         (alpha_border_h * alpha_stride) + alpha_border_w;
 #endif
-    ybf->corrupted = 0; /* assume not currupted by errors */
+    ybf->corrupted = 0; /* assume not corrupted by errors */
     return 0;
   }
   return -2;