Fix a param save issue where a state variable might preven the parameters from being saved (identified and fixed by ultrasystem)

src/systemcmds/param/param.c

@@ -63,6 +63,7 @@ static void	do_show(const char* search_string);
 static void	do_show_print(void *arg, param_t param);
 static void	do_set(const char* name, const char* val);
 static void	do_compare(const char* name, const char* vals[], unsigned comparisons);
+static void	do_reset();
 
 int
 param_main(int argc, char *argv[])
@@ -130,6 +131,10 @@ param_main(int argc, char *argv[])
 				errx(1, "not enough arguments.\nTry 'param compare PARAM_NAME 3'");
 			}
 		}
+
+		if (!strcmp(argv[1], "reset")) {
+			do_reset();
+		}
 	}
 	
 	errx(1, "expected a command, try 'load', 'import', 'show', 'set', 'compare', 'select' or 'save'");
@@ -402,3 +407,16 @@ do_compare(const char* name, const char* vals[], unsigned comparisons)
 
 	exit(ret);
 }
+
+static void
+do_reset()
+{
+	param_reset_all();
+
+	if (param_save_default()) {
+		warnx("Param export failed.");
+		exit(1);
+	} else {
+		exit(0);
+	}
+}