Author: Stefan Seyfried <seife+obs@b1-sytems.com>

When called from e.g. NetworkManager, vpnc's stderr log messages
are redirected to logfiles where they are sometimes hard to spot,
e.g. they appear to be coming from NetworkManager itself.

Fix this by prepending "vpnc: " to them.


Index: b/config.c
===================================================================
--- a/config.c
+++ b/config.c
@@ -50,10 +50,11 @@ uint16_t opt_nortel_client_id;
 
 static void log_to_stderr(int priority __attribute__((unused)), const char *format, ...)
 {
 	va_list ap;
 
+	fprintf(stderr, "vpnc: ");
 	va_start(ap, format);
 	vfprintf(stderr, format, ap);
 	fprintf(stderr, "\n");
 	va_end(ap);
 }