[skia] Fixes build error on x64-linux (#36236)

ports/skia/add-cstdlib.patch

@@ -0,0 +1,12 @@
+diff --git a/src/dawn/common/Mutex.cpp b/src/dawn/common/Mutex.cpp
+index b8b891f..84c47af 100644
+--- a/src/dawn/common/Mutex.cpp
++++ b/src/dawn/common/Mutex.cpp
+@@ -13,6 +13,7 @@
+ // limitations under the License.
+ 
+ #include "dawn/common/Mutex.h"
++#include <cstdlib>
+ 
+ namespace dawn {
+ Mutex::~Mutex() = default;

ports/skia/portfile.cmake

@@ -30,6 +30,7 @@ declare_external_from_git(dawn
     LICENSE_FILE LICENSE
     PATCHES
         dawn-dedup-native-proc-gen.patch
+        add-cstdlib.patch
 )
 declare_external_from_git(dng_sdk
     URL "https://android.googlesource.com/platform/external/dng_sdk.git"

ports/skia/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "skia",
   "version": "0.38.2",
-  "port-version": 3,
+  "port-version": 4,
   "description": [
     "Skia is an open source 2D graphics library which provides common APIs that work across a variety of hardware and software platforms.",
     "It serves as the graphics engine for Google Chrome and Chrome OS, Android, Mozilla Firefox and Firefox OS, and many other products.",

versions/baseline.json

@@ -7986,7 +7986,7 @@
     },
     "skia": {
       "baseline": "0.38.2",
-      "port-version": 3
+      "port-version": 4
     },
     "skyr-url": {
       "baseline": "1.13.0",

versions/s-/skia.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "b33b637ea6bf1d04acc4aac659b0238f9d16a0c1",
+      "version": "0.38.2",
+      "port-version": 4
+    },
     {
       "git-tree": "35eec017ed472e7061cc38768bb4aa9168464332",
       "version": "0.38.2",