openexr: backport gcc-13 fix

Without the change `openexr` build on `gcc-13` fails as:

    [ 99%] Building CXX object src/test/OpenEXRTest/CMakeFiles/OpenEXRTest.dir/testInputPart.cpp.o
    openexr/src/bin/exrcheck/main.cpp: In function 'bool exrCheck(const char*, bool, bool, bool, bool)':
    openexr/src/bin/exrcheck/main.cpp:65:15: error: 'uintptr_t' does not name a type
       65 |         const uintptr_t kMaxSize = uintptr_t (-1) / 4;
          |               ^~~~~~~~~

pkgs/development/libraries/openexr/default.nix

@@ -35,6 +35,10 @@ stdenv.mkDerivation rec {
       extraPrefix = "OpenEXR/IlmImf/";
       sha256 = "sha256-DrpldpNgN5pWKzIuuPIrynGX3EpP8YhJlu+lLfNFGxQ=";
     })
+
+    # Backport gcc-13 fix:
+    #   https://github.com/AcademySoftwareFoundation/openexr/pull/1264
+    ./gcc-13.patch
   ];
 
   # tests are determined to use /var/tmp on unix

pkgs/development/libraries/openexr/gcc-13.patch

@@ -0,0 +1,33 @@
+https://github.com/AcademySoftwareFoundation/openexr/pull/1264
+https://github.com/AcademySoftwareFoundation/openexr/commit/d0088a3c6943a9a53fc24e29885414d082d531fe.patch
+
+--- a/OpenEXR/IlmImf/ImfDwaCompressor.cpp
++++ b/OpenEXR/IlmImf/ImfDwaCompressor.cpp
+@@ -159,6 +159,7 @@
+ #include <limits>
+ 
+ #include <cstddef>
++#include <cstdint>
+ 
+ 
+ // Windows specific addition to prevent the indirect import of the redefined min/max macros
+--- a/OpenEXR/IlmImf/ImfHuf.cpp
++++ b/OpenEXR/IlmImf/ImfHuf.cpp
+@@ -53,6 +53,7 @@
+ #include <cstring>
+ #include <cassert>
+ #include <algorithm>
++#include <cstdint>
+ 
+ 
+ using namespace std;
+--- a/OpenEXR/IlmImf/ImfMisc.cpp
++++ b/OpenEXR/IlmImf/ImfMisc.cpp
+@@ -52,6 +52,7 @@
+ #include <ImfConvert.h>
+ #include <ImfPartType.h>
+ #include <ImfTileDescription.h>
++#include <cstdint>
+ #include "ImfNamespace.h"
+ 
+ OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER