Make compilation on DragonFly work
diff --git a/ChangeLog b/ChangeLog
index 35b43bb..89a9f69 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -55,6 +55,7 @@
    * On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
    * mpi_fill_random() was creating numbers larger than requested on
      big-endian platform when size was not an integer number of limbs
+   * Fix detection of DragonflyBSD in net.c (found by Markus Pfeiffer)
 
 = Version 1.2.10 released 2013-10-07
 Changes