[aarm64] Fix GetSharedLibraryAddresses

This patch fixes a segmentation fault which occurs when using `--prof` flag on a Darwin ARM64 architecture.

ref: https://chromium-review.googlesource.com/c/v8/v8/+/2609413

deps/v8/src/base/platform/platform-macos.cc

@@ -49,14 +49,14 @@ std::vector<OS::SharedLibraryAddress> OS::GetSharedLibraryAddresses() {
   for (unsigned int i = 0; i < images_count; ++i) {
     const mach_header* header = _dyld_get_image_header(i);
     if (header == nullptr) continue;
-#if V8_HOST_ARCH_X64
+#if V8_HOST_ARCH_I32
+    unsigned int size;
+    char* code_ptr = getsectdatafromheader(header, SEG_TEXT, SECT_TEXT, &size);
+#else
     uint64_t size;
     char* code_ptr = getsectdatafromheader_64(
         reinterpret_cast<const mach_header_64*>(header), SEG_TEXT, SECT_TEXT,
         &size);
-#else
-    unsigned int size;
-    char* code_ptr = getsectdatafromheader(header, SEG_TEXT, SECT_TEXT, &size);
 #endif
     if (code_ptr == nullptr) continue;
     const intptr_t slide = _dyld_get_image_vmaddr_slide(i);