X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_diffinset.C;h=3d32081793a735a3b3a6936d4138a08ac3b38d9b;hb=57501b93064a6deed43e415beed45606054d86ad;hp=0af81f9c032c473389af6df115dd87b1ec7a17bf;hpb=3b3c072df03c58f31cabf5f3b89ee8d9d5f264cf;p=lyx.git

diff --git a/src/mathed/math_diffinset.C b/src/mathed/math_diffinset.C
index 0af81f9c03..3d32081793 100644
--- a/src/mathed/math_diffinset.C
+++ b/src/mathed/math_diffinset.C
@@ -11,6 +11,7 @@
 #include <config.h>
 
 #include "math_diffinset.h"
+#include "math_data.h"
 #include "math_mathmlstream.h"
 #include "debug.h"