64bit time_t

Index: src/core/command_line_processor.c
--- src/core/command_line_processor.c.orig
+++ src/core/command_line_processor.c
@@ -104,7 +104,7 @@ static int execute_command(int wordnb) {
 
 	// process the command
 	siril_log_color_message(_("Running command: %s\n"), "salmon", word[0]);
-	fprintf(stdout, "%lu: running command %s\n", time(NULL), word[0]);
+	fprintf(stdout, "%lld: running command %s\n", time(NULL), word[0]);
 	return commands[i].process(wordnb);
 }
 
