fix windows build

Author: ProjectSky

AMBuildScript

@@ -209,6 +209,7 @@ class ExtensionConfig(object):
       '/W3',
     ]
     cxx.cxxflags += [
+      '/std:c++17',
       '/EHsc',
       '/GR-',
       '/TP',

third_party/ixwebsocket/AMBuilder

@@ -8,12 +8,12 @@ for cxx in builder.targets:
   binary = Extension.StaticLibrary(builder, cxx, 'ixwebsocket')
   if binary.compiler.target.platform == 'linux':
     binary.compiler.includes += [
-      os.path.join(builder.sourcePath, 'third_party', 'openssl', 'build', 'include'),
+      os.path.join(builder.sourcePath, 'third_party', 'openssl', 'include'),
       os.path.join(builder.sourcePath, 'third_party', 'ixwebsocket'),
     ]
   elif binary.compiler.target.platform == 'windows':
     binary.compiler.includes += [
-      os.path.join(builder.sourcePath, 'third_party', 'openssl', 'build', 'include'),
+      os.path.join(builder.sourcePath, 'third_party', 'openssl', 'include'),
       os.path.join(builder.sourcePath, 'third_party', 'ixwebsocket'),
       os.path.join(builder.sourcePath, 'third_party', 'zlib'),
     ]