Call srand() to make sure request handles are properly randomised

src/main.c

@@ -2,12 +2,16 @@
 #include "mode.h"
 
 #include <signal.h>
+#include <stdlib.h>
+#include <time.h>
 
 int main(int argc, char** argv)
 {
 	signal(SIGPIPE, SIG_IGN); /* calls to splice() unhelpfully throw this */
 	error_init();
 
+	srand(time(NULL));
+
 	if (argc < 2) {
 		exit_err( help_help_text );
 	}