Fixed mismatched new and free statements. I still don't think this is

the problem causing the seg-faults (sadly valgrind wasn't terribly
insightful either), but it is something bad that was fixed.

assign/parse_advertisement_rspec.cc

@@ -195,7 +195,7 @@ int parse_advertisement(tb_pgraph &pg, tb_sgraph &sg, char *filename) {
    * All done, clean up memory
    */
   //     XMLPlatformUtils::Terminate();
-  free(rspecParser);
+  delete rspecParser;
   return 0;
 }
 

assign/parse_request_rspec.cc

@@ -201,7 +201,7 @@ int parse_request(tb_vgraph &vg, char *filename) {
    * All done, clean up memory
    */
 //     XMLPlatformUtils::Terminate();
-  free(rspecParser);
+  delete rspecParser;
   return 0;
 }
 

assign/rspec_parser.cc

@@ -28,7 +28,7 @@ rspec_parser :: rspec_parser (int type)
 
 rspec_parser :: ~rspec_parser ()
 {
-  free(this->emulabExtensions);
+  delete this->emulabExtensions;
 }
 
 struct link_interface rspec_parser :: getIface (const DOMElement* tag)