tidied up code a bit

qse/configure

@@ -17047,6 +17047,34 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for socklen_t in sys/socket.h" >&5
+$as_echo_n "checking for socklen_t in sys/socket.h... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _POSIX_PII_SOCKET
+#include <sys/types.h>
+#include <sys/socket.h>
+int
+main ()
+{
+socklen_t x = 5;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_SOCKLEN_T 1" >>confdefs.h
+
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 QSE_SIZEOF_WCHAR_T=$ac_cv_sizeof_wchar_t
 
 QSE_SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long