treat '\' as special character in win32 only
diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
index 9f0e1b4..9789db3 100644
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -16,7 +16,11 @@
0x7fff37d6, /* 0111 1111 1111 1111 0011 0111 1101 0110 */
/* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
+#if (NGX_WIN32)
0xefffffff, /* 1110 1111 1111 1111 1111 1111 1111 1111 */
+#else
+ 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
+#endif
/* ~}| {zyx wvut srqp onml kjih gfed cba` */
0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */