[configure.ac] fix STDPATH test for IRIX. First reported by advax@triumf.ca.
This type of solution tested by <herb@sgi.com>
diff --git a/configure.ac b/configure.ac
index 0736e41..e96a072 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.92 2002/11/13 23:55:57 tim Exp $
+# $Id: configure.ac,v 1.93 2002/11/22 21:29:03 tim Exp $
 
 AC_INIT
 AC_CONFIG_SRCDIR([ssh.c])
@@ -2060,7 +2060,11 @@
 # include <paths.h>
 #endif
 #ifndef _PATH_STDPATH
-# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
+# ifdef _PATH_USERPATH	/* Irix */
+#  define _PATH_STDPATH _PATH_USERPATH
+# else
+#  define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
+# endif
 #endif
 #include <sys/types.h>
 #include <sys/stat.h>