Added version resource file for Windows DLL build

version.rc.in

@@ -0,0 +1,43 @@
+#define VER_FILEVERSION         @VERSION_MAJOR@,@VERSION_MINOR@,@VERSION_PATCH@,0
+#define VER_FILEVERSION_STR     "@VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_PATCH@.0\0"
+
+#define VER_PRODUCTVERSION      @VERSION_MAJOR@,@VERSION_MINOR@,@VERSION_PATCH@,0
+#define VER_PRODUCTVERSION_STR  "@VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_PATCH@\0"
+
+#define VER_PRODUCTVERSION      VER_FILEVERSION
+#define VER_PRODUCTVERSION_STR  VER_FILEVERSION_STR
+
+#define APSTUDIO_READONLY_SYMBOLS
+#include "windows.h"
+#undef APSTUDIO_READONLY_SYMBOLS
+
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+#pragma code_page(1252)
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VER_FILEVERSION
+ FILEFLAGSMASK 0x3fL
+ FILEFLAGS 0x0L
+ FILEOS 0x40004L
+ FILETYPE 0x1L
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904E4"
+        BEGIN
+            VALUE "CompanyName", "ZeroTier, Inc.\0"
+            VALUE "FileDescription", "ZeroTier SDK\0"
+            VALUE "InternalName", "zt\0"
+            VALUE "LegalCopyright", "Copyright (C) 2019 ZeroTier, Inc.\0"
+            VALUE "OriginalFilename", "libzt.dll\0"
+            VALUE "PrivateBuild", "0\0"
+            VALUE "ProductName", "libzt\0"
+            VALUE "ProductVersion", VER_PRODUCTVERSION_STR
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END