Merge "Update IMAGE_ABI_VERSION which wasn't updated after color_range enum was introduced."

diff --git a/vpx/vpx_image.h b/vpx/vpx_image.h
index e9e952c..7958c69 100644
--- a/vpx/vpx_image.h
+++ b/vpx/vpx_image.h

@@ -28,7 +28,7 @@
    * types, removing or reassigning enums, adding/removing/rearranging
    * fields to structures
    */
-#define VPX_IMAGE_ABI_VERSION (3) /**<\hideinitializer*/
+#define VPX_IMAGE_ABI_VERSION (4) /**<\hideinitializer*/
 
 
 #define VPX_IMG_FMT_PLANAR     0x100  /**< Image is a planar format. */