Patch uv for win7 compatiblity

Reverts libuv/libuv@95f88f4

libnode/patch/node.patch

@@ -19,3 +19,44 @@
      'src/js_native_api.h',
      'src/js_native_api_types.h',
      'src/node_api_types.h',
+--- a/deps/uv/src/win/util.c
++++ b/deps/uv/src/win/util.c
+@@ -1664,33 +1664,26 @@ int uv_os_unsetenv(const char* name) {
+
+
+ int uv_os_gethostname(char* buffer, size_t* size) {
+-  WCHAR buf[UV_MAXHOSTNAMESIZE];
++  char buf[UV_MAXHOSTNAMESIZE];
+   size_t len;
+-  char* utf8_str;
+-  int convert_result;
+
+   if (buffer == NULL || size == NULL || *size == 0)
+     return UV_EINVAL;
+
+   uv__once_init(); /* Initialize winsock */
+
+-  if (GetHostNameW(buf, UV_MAXHOSTNAMESIZE) != 0)
++  if (gethostname(buf, sizeof(buf)) != 0)
+     return uv_translate_sys_error(WSAGetLastError());
+
+-  convert_result = uv__convert_utf16_to_utf8(buf, -1, &utf8_str);
++  buf[sizeof(buf) - 1] = '\0'; /* Null terminate, just to be safe. */
++  len = strlen(buf);
+
+-  if (convert_result != 0)
+-    return convert_result;
+-
+-  len = strlen(utf8_str);
+   if (len >= *size) {
+     *size = len + 1;
+-    uv__free(utf8_str);
+     return UV_ENOBUFS;
+   }
+
+-  memcpy(buffer, utf8_str, len + 1);
+-  uv__free(utf8_str);
++  memcpy(buffer, buf, len + 1);
+   *size = len;
+   return 0;
+ }