include: Remove duplicate definition in winhttp.h.

include/winhttp.h

@@ -58,10 +58,6 @@ typedef int INTERNET_SCHEME, *LPINTERNET_SCHEME;
 #define WINHTTP_NO_REFERER                  NULL
 #define WINHTTP_DEFAULT_ACCEPT_TYPES        NULL
 
-#define WINHTTP_ERROR_BASE                  12000
-
-#define ERROR_WINHTTP_AUTODETECTION_FAILED     (WINHTTP_ERROR_BASE + 180)
-
 /* flags for WinHttp{Set/Query}Options */
 #define WINHTTP_FIRST_OPTION                         WINHTTP_OPTION_CALLBACK
 #define WINHTTP_OPTION_CALLBACK                       1
@@ -162,6 +158,7 @@ typedef int INTERNET_SCHEME, *LPINTERNET_SCHEME;
 #define ERROR_WINHTTP_NOT_INITIALIZED              (WINHTTP_ERROR_BASE + 172)
 #define ERROR_WINHTTP_SECURE_FAILURE               (WINHTTP_ERROR_BASE + 175)
 #define ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR     (WINHTTP_ERROR_BASE + 178)
+#define ERROR_WINHTTP_AUTODETECTION_FAILED         (WINHTTP_ERROR_BASE + 180)
 
 typedef struct
 {