msrpc_dcom.nasl patch to eliminate false positives on HP-UX

[Hemsley, Trevor]

msrpc_dcom.nasl falsely reports HP-SUX machines as being vulnerable to the MS03-026 
vulnerability. Following patch appears to correct this by adding the stub value to the 
"ignore list".

--- msrpc_dcom.old      2003-07-30 14:30:12.000000000 +0100
+++ msrpc_dcom.nasl     2003-08-06 11:12:31.000000000 +0100
@@ -73,6 +73,7 @@
 
 chk[0] = raw_string (0x00,0x04,0x00,0x08); 
 chk[1] = raw_string (0x00,0x05,0x00,0x07);
+chk[2] = raw_string (0x00,0x00,0x20,0x00);
 
 
 report = "";
@@ -100,7 +101,7 @@
                display('len  = ', len, '\n');
                display('stub = ', hexstr(stub),  '\n');
            }
-               if ((stub >!< chk[0]) && (stub >!< chk[1]))
+               if ((stub >!< chk[0]) && (stub >!< chk[1]) && (stub >!< chk[2]))
                {
                if (debug) display("Warning: Vulnerable MSRPC host found!\n");
                        security_hole(port:port);