Prepend error printout with "fwup"
This makes it easier to blame fwup when the printout happens.
@@ -427,7 +427,7 @@ static void handshake_exit(int status)
{
char buffer[2] = {0x1a, (char) status};
if (write(STDOUT_FILENO, buffer, sizeof(buffer)) != sizeof(buffer))
- fprintf(stderr, "Error sending Ctrl+Z as part of the exit handshake");
+ fprintf(stderr, "fwup: Error sending Ctrl+Z as part of the exit handshake");
for (;;) {
char throwaway[4096];
