Specify a path for the configuration file.

--- a/src/sm-archive.cpp
+++ b/src/sm-archive.cpp
@@ -282,7 +282,7 @@ CONFIG* new_conf() {
 		snprintf(buf, sizeof(buf), "loading configuration generation %d", newc->generation);
 		my_syslog(buf);
 	}
-	if (load_conf(*newc, "sm-archive.conf")) {
+	if (load_conf(*newc, "/etc/sm-archive.conf")) {
 		newc->load_time = time(NULL);
 		return newc;
 	}
@@ -325,7 +325,7 @@ void* config_loader(void *arg) {
 			else {
 				// failed to load new config
 				my_syslog("failed to load new configuration");
-				system("echo 'failed to load new sm-archive configuration from /etc/sm-archive' | mail -s 'error in /etc/sm-archive configuration' root");
+				system("echo 'failed to load new sm-archive configuration from /etc/sm-archive.conf' | mail -s 'error in /etc/sm-archive.conf configuration' root");
 				// update the load time on the current config to prevent complaining every 3 minutes
 				dc.load_time = time(NULL);
 			}
