diff -Naur libupnp-1.6.0/upnp/src/genlib/net/http/httpreadwrite.c libupnp-1.6.0/upnp/src/genlib/net/http-new/httpreadwrite.c
--- libupnp-1.6.0/upnp/src/genlib/net/http/httpreadwrite.c	2007-05-23 15:18:08.000000000 +0200
+++ libupnp-1.6.0/upnp/src/genlib/net/http/httpreadwrite.c	2007-09-01 16:18:33.000000000 +0200
@@ -349,7 +349,7 @@
             filename = ( char * )va_arg( argp, char * );
 
             if( Instr && Instr->IsVirtualFile )
-                Fp = virtualDirCallback.open( filename, UPNP_READ );
+                Fp = (virtualDirCallback.open)( filename, UPNP_READ );
             else
                 Fp = fopen( filename, "rb" );
 
diff -Naur libupnp-1.6.0/upnp/src/genlib/net/http/webserver.c libupnp-1.6.0/upnp/src/genlib/net/http-new/webserver.c
--- libupnp-1.6.0/upnp/src/genlib/net/http/webserver.c	2007-05-23 15:18:08.000000000 +0200
+++ libupnp-1.6.0/upnp/src/genlib/net/http/webserver.c	2007-09-01 16:18:33.000000000 +0200
@@ -1531,7 +1531,7 @@
 
     if( Instr && Instr->IsVirtualFile ) {
 
-        Fp = virtualDirCallback.open( filename, UPNP_WRITE );
+        Fp = (virtualDirCallback.open)( filename, UPNP_WRITE );
         if( Fp == NULL ) {
             return HTTP_INTERNAL_SERVER_ERROR;
         }