[fetchmail]fetchmail compile problems in gssapi.c

I support fetchmail on 7 different platforms, and recently upgraded
from 5.6.2 to 5.7.0.  On two of the platforms, (SunOS 4.1 and Amdahl
UTS 2) gssapi.c failed to compile.  This fixed it for those machines and
didn't break any of the others:

diff -ur fetchmail-5.7.0.orig/gssapi.c fetchmail-5.7.0/gssapi.c
--- fetchmail-5.7.0.orig/gssapi.c       Tue Feb 27 11:19:06 2001
+++ fetchmail-5.7.0/gssapi.c    Wed Apr 18 14:36:50 2001
@@ -17,6 +17,7 @@
 #include  "i18n.h"
 #include "md5.h"
 
+#include <sys/types.h>
 #include <netinet/in.h>  /* for htonl/ntohl */
 
 #ifdef GSSAPI

-- 
Peter Fales                       Lucent Technologies, Room 5B-408
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