wininet: Fix off by 1 error when parsing time.

This patch makes HTTP_ParseRfc1123Date() work for dates without space
before "GMT".

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/wininet/http.c

@@ -4375,8 +4375,7 @@ static BOOL HTTP_ParseTime(SYSTEMTIME *st, LPCWSTR *str)
         ERR("unexpected second in time format %s\n", debugstr_w(ptr));
         return FALSE;
     }
-    ptr = nextPtr + 1;
-    *str = ptr;
+    *str = nextPtr;
     st->wSecond = (WORD)num;
     return TRUE;
 }