X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FDiff.cc;h=d8df81201aec2a034725fe13c9477b2c53e4f3c5;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=6c226babdf6ee40defcad41915ae993b37857fbe;hpb=701bff1d89e9dbf8b1f6d6b627bab375cb71f1af;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/Diff.cc b/helm/DEVEL/mathml_editor/src/Diff.cc
index 6c226babd..d8df81201 100644
--- a/helm/DEVEL/mathml_editor/src/Diff.cc
+++ b/helm/DEVEL/mathml_editor/src/Diff.cc
@@ -27,6 +27,7 @@
 #include <functional>
 #include <vector>
 #include <algorithm>
+#include <cassert>
 
 #include "Diff.hh"