iphlpapi: Add PfDeleteInterface function stub.

dlls/iphlpapi/iphlpapi.spec

@@ -248,7 +248,7 @@
 @ stdcall _PfBindInterfaceToIPAddress@12(long long ptr) PfBindInterfaceToIPAddress
 @ stub _PfBindInterfaceToIndex@16
 @ stdcall _PfCreateInterface@24(long long long long long ptr) PfCreateInterface
-@ stub _PfDeleteInterface@4
+@ stdcall _PfDeleteInterface@4(long) PfDeleteInterface
 @ stub _PfDeleteLog@0
 @ stub _PfGetInterfaceStatistics@16
 @ stub _PfMakeLog@4

dlls/iphlpapi/iphlpapi_main.c

@@ -2511,6 +2511,15 @@ DWORD WINAPI PfCreateInterface(DWORD dwName, PFFORWARD_ACTION inAction, PFFORWAR
 }
 
 /******************************************************************
+ *   PfDeleteInterface(IPHLPAPI.@)
+ */
+DWORD WINAPI PfDeleteInterface(INTERFACE_HANDLE interface)
+{
+    FIXME("(%p) stub\n", interface);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+/******************************************************************
  *   PfBindInterfaceToIPAddress(IPHLPAPI.@)
  */
 DWORD WINAPI PfBindInterfaceToIPAddress(INTERFACE_HANDLE interface, PFADDRESSTYPE type, PBYTE ip)