Fix run tdesudo with empty command

This relates to Bug 1494

tdesudo/main.cpp

@@ -84,20 +84,18 @@ int main(int argc, char **argv)
 
 	bool withIgnoreButton = args->isSet("ignorebutton");
 
-	if (args->isSet("c"))
+	if (args->isSet("c")) {
 		executable = args->getOption("c");
-
-	if (args->count())
-	{
-		if (executable.isEmpty())
-		{
+	}
+	else {
+		if (args->count()) {
 			command = args->arg(0);
 			commandlist = TQStringList::split(TQChar(' '), command);
 			executable = commandlist[0];
 		}
 	}
 
-	if ((!args->isSet("c")) && (!args->count())) {
+	if (executable.stripWhiteSpace().isEmpty()) {
 		kdError() << I18N_NOOP("You must provide the name of the executable you want to run as an argument to tdesudo") << endl;
 		exit(1);
 	}

tdesudo/tdesudo.cpp

@@ -68,7 +68,9 @@ KdeSudo::KdeSudo(TQWidget *parent, const char *name,const TQString& icon, const
 	TQString runas = args->getOption("u");
 	TQString cmd;
 
-	if (!args->isSet("c") && !args->count() && (!args->isSet("s")))
+	if (!(args->isSet("c") && !args->getOption("c").stripWhiteSpace().isEmpty()) &&
+	    !(!args->isSet("c") && args->count()) &&
+	    !args->isSet("s"))
 	{
 		KMessageBox::information(NULL, i18n("No command arguments supplied!\nUsage: tdesudo [-u <runas>] <command>\nKdeSudo will now exit..."));
 		noExec = true;