Remove include userdefs.h where not needed

*** 41,51 ****
  #include "defs.h"
  #include "pathnames.h"
  #include <signal.h>
  #include <fcntl.h>
  #include <sys/file.h>
- #include <userdefs.h>
  #include <sys/stat.h>
  
  #define IN_ROUTED_VERSION       "2.22"
  
  int             stopint;
--- 41,50 ----