Simplified default configuration file path logic

git-svn-id: https://svn.microneil.com/svn/SNF4CGP/trunk@47 59e8e3e7-56fa-483b-b4b4-fa6ab0af3dfc

SNF4CGP/main.cpp

 const int MaxArgcNumber = 2;
 const string DefaultConfigFile = "snf_engine.xml";
 
-#if defined(WIN32) || defined(WIN64)
-const string PathSep = "\\";
-#else
-const string PathSep = "/";
-#endif
-
 bool CommandLineIsValid(int argc, char*argv[]) {                                // Validate the command line.
     if(argc > MaxArgcNumber) {
         cout << "* CGPSNF - Bad command line.  Use:" << endl
 }
 
 string ConfigPathFromArgv0(const string Argv0) {                                // Return the config file name in
-                                                                                // the same directory as the executable.
-    string::size_type LastSlashIndex = Argv0.find_last_of(PathSep);
+    const string Slashes = "/\\";                                               // the same directory as the executable.
+    string::size_type LastSlashIndex = Argv0.find_last_of(Slashes);
     if (string::npos == LastSlashIndex) {                                       // If there's no slash in the path...
 	return DefaultConfigFile;
     }