Update to Debian 11 versions of dependencies

Now it builds with newer compiler and library versions, the
ones from Debian 11 repositories.

1 files changed, 3 insertions, 2 deletions

diff --git a/examples/basic.c b/examples/basic.c
index 55597a8..e122ee8 100644
--- a/examples/basic.c
+++ b/examples/basic.c
@@ -80,8 +80,9 @@ int my_xml_out_cb (rexmpp_t *s, xmlNodePtr node) {
   return 0;
 }
 
-void my_console_print_cb (rexmpp_t *s, const char *fmt, va_list args) {
+int my_console_print_cb (rexmpp_t *s, const char *fmt, va_list args) {
   vprintf(fmt, args);
+  return 0;
 }
 
 void print_help (char *prog_name) {
@@ -94,7 +95,7 @@ void print_help (char *prog_name) {
          , prog_name);
 }
 
-main (int argc, char **argv) {
+int main (int argc, char **argv) {
   int c, xml_console = 0, txt_console = 0, log = 0;
   if (argc < 2) {
     print_help(argv[0]);