Call setlocale in main function of libgtop_daemon2

It is required to correctly show translated messages on some locales.

https://bugzilla.gnome.org/show_bug.cgi?id=760432

src/daemon/gnuserv.c

@@ -43,6 +43,7 @@
 #include <glibtop/gnuserv.h>
 
 #include <errno.h>
+#include <locale.h>
 
 #include "daemon.h"
 
@@ -473,6 +474,8 @@ main (int argc, char **argv)
 
     int ils = -1;		/* internet domain listen socket */
 
+    setlocale (LC_ALL, "");
+
     /* On non-glibc systems, this is not set up for us.  */
     if (!program_invocation_name) {
 	char *arg;