Use a smarter algorithm for choosing MTU discovery probe sizes.

[tinc] / src / have.h

diff --git a/src/have.h b/src/have.h
index 85479f7..80f405e 100644 (file)
--- a/src/have.h
+++ b/src/have.h
@@ -40,6 +40,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <limits.h>
+#include <math.h>
 
 #ifdef HAVE_MINGW
 #include <w32api.h>