Move the bitbang prerequisite checks out from

main() into their own bitbang_check_prerequisites().


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@626 81a1dc3b-b13d-400b-aceb-764788c761c2

serbb_posix.c

@@ -200,6 +200,8 @@ static int serbb_open(PROGRAMMER *pgm, char *port)
   struct termios mode;
   int flags;
 
+  bitbang_check_prerequisites(pgm);
+
   /* adapted from uisp code */
 
   pgm->fd = open(port, O_RDWR | O_NOCTTY | O_NONBLOCK);