[libunwind] Fix build error on arm64-linux (#41245)

Co-authored-by: Jon <v-zhli17@microsoft.com>

ports/libunwind/portfile.cmake

@@ -1,9 +1,21 @@
+vcpkg_download_distfile(libunwind
+    URLS "https://github.com/dotnet/runtime/commit/d63c235756d4c46b061bd503a2c47207df6b3324.diff?full_index=1"
+    FILENAME "libunwind.diff"
+    SHA512 268af5d4aa3bec16e34c50024c0a3662e9a6fa7d273bb405c25f02066100e6bcbb9a68bd10556e3f420d983b586dac856fc45dbd182798889e5542217f953b27
+)
+
+file(READ "${libunwind}" contents)
+string(REPLACE "/src/native/external/libunwind" "" contents "${contents}")
+file(WRITE "${CURRENT_BUILDTREES_DIR}/src/libunwind.diff" "${contents}")
+
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO "libunwind/libunwind"
     REF "v${VERSION}"
     HEAD_REF master
     SHA512 dd8332b7a2cbabb4716c01feea422f83b4a7020c1bee20551de139c3285ea0e0ceadfa4171c6f5187448c8ddc53e0ec4728697d0a985ee0c3ff4835b94f6af6f
+    PATCHES
+        "${CURRENT_BUILDTREES_DIR}/src/libunwind.diff"
 )
 
 vcpkg_configure_make(

ports/libunwind/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "libunwind",
   "version": "1.8.1",
+  "port-version": 1,
   "description": "Unix libray for portable stack unwinding",
   "homepage": "https://www.nongnu.org/libunwind",
   "license": "MIT",

versions/baseline.json

@@ -5230,7 +5230,7 @@
     },
     "libunwind": {
       "baseline": "1.8.1",
-      "port-version": 0
+      "port-version": 1
     },
     "liburing": {
       "baseline": "2.7",

versions/l-/libunwind.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "e96e575a728361e6c29a57287a0050ad325e88fb",
+      "version": "1.8.1",
+      "port-version": 1
+    },
     {
       "git-tree": "5fa5d5fa4e60c42c059eb26e5b34650b8bdf6b0e",
       "version": "1.8.1",