Revert "Merge #101508: libraw: 0.20.0 -> 0.20.2"

I'm sorry; I didn't notice it contained staging commits.

This reverts commit 17f5305b6c, reversing
changes made to a8a018ddc0.

pkgs/development/libraries/mesa/missing-includes.patch

@@ -9,6 +9,18 @@
  #include "pipe/p_compiler.h"
  #include "pipe/p_state.h"
  
+--- ./src/util/rand_xor.c.orig	2017-06-20 00:38:57.199474067 +0200
++++ ./src/util/rand_xor.c	2017-06-20 00:40:31.351279557 +0200
+@@ -23,7 +23,9 @@
+  */
+ 
+ #if defined(__linux__)
++#include <sys/types.h>
+ #include <sys/file.h>
++#include <sys/stat.h>
+ #include <unistd.h>
+ #include <fcntl.h>
+ #else
 --- ./src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.h
 +++ ./src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.h
 @@ -28,6 +28,8 @@