Enable pcre2:arm64-windows

Update sljitConfigInternal.h for ARM64

ports/pcre2/fix-arm64-config.patch

@@ -0,0 +1,29 @@
+diff --git a/src/sljit/sljitConfigInternal.h b/src/sljit/sljitConfigInternal.h
+index cc0810f..964afe8 100644
+--- a/src/sljit/sljitConfigInternal.h
++++ b/src/sljit/sljitConfigInternal.h
+@@ -151,6 +151,8 @@
+ #define SLJIT_CONFIG_X86_64 1
+ #elif defined(_ARM_)
+ #define SLJIT_CONFIG_ARM_V5 1
++#elif defined(_M_ARM64)
++#define SLJIT_CONFIG_ARM_64 1
+ #else
+ #define SLJIT_CONFIG_X86_32 1
+ #endif
+@@ -324,9 +326,15 @@
+ 
+ #else
+ 
++#if defined(__linux__)
+ /* Calls __ARM_NR_cacheflush on ARM-Linux. */
+ #define SLJIT_CACHE_FLUSH(from, to) \
+ 	__clear_cache((char*)(from), (char*)(to))
++#elif(_WIN32)
++#pragma comment(lib, "kernel32.lib")
++#define SLJIT_CACHE_FLUSH(from, to) \
++	FlushInstructionCache(GetCurrentProcess(), (void*)(from), (uintptr_t)(to - from));
++#endif
+ 
+ #endif
+ 

ports/pcre2/portfile.cmake

@@ -10,7 +10,7 @@ vcpkg_extract_source_archive_ex(
     OUT_SOURCE_PATH SOURCE_PATH
     ARCHIVE ${ARCHIVE}
     PATCHES fix-space.patch
-)
+            fix-arm64-config.patch)
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}