Return -1 on error (needed by package managers).

git-svn-id: https://svn.microneil.com/svn/SNFUtility/trunk@36 aa37657e-1934-4a5f-aa6d-2d8eab27ff7c

SNFMilterConfig/main.cpp

     catch(exception& e) {                                                       // Report any normal exceptions.
         cerr << "\n\nSNFMilterConfig Exception: " << e.what() << endl << endl;
 	RestoreFiles(&SnfMilterConfig);
+	return(-1);
     }
     catch (snfCFGmgr::LoadFailure) {                                            // Error loading configuration file.
 	cerr << "\n\nsnfCFGmgr Exception:  Unable to load the configuration file "
 	     << SnfMilterConfig.GetConfigFileName() << endl << endl;
 	RestoreFiles(&SnfMilterConfig);
+	return(-1);
     }
     catch(...) {                                                                // Report any unexpected exceptions.
         cerr << "\n\nSNFMilterConfig Panic! Unknown Exception!" << endl << endl;
 	RestoreFiles(&SnfMilterConfig);
+	return(-1);
     }
 
     return 0;                                                                   // Normally we return zero.