Fix wrong summary location (#3331)

Author: mairaw

xml/System.Net/HttpStatusCode.xml

@@ -1614,9 +1614,9 @@ If the <xref:System.Net.HttpWebRequest.AllowAutoRedirect%2A?displayProperty=name
       <ReturnValue>
         <ReturnType>System.Net.HttpStatusCode</ReturnType>
       </ReturnValue>
-      <MemberValue>Equivalent to HTTP status 102. <see cref="F:System.Net.HttpStatusCode.Processing" /> indicates that the server has accepted the complete request but hasn't completed it yet.</MemberValue>
+      <MemberValue>102</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Equivalent to HTTP status 102. <see cref="F:System.Net.HttpStatusCode.Processing" /> indicates that the server has accepted the complete request but hasn't completed it yet.</summary>
       </Docs>
     </Member>
     <Member MemberName="ProxyAuthenticationRequired">