- modified GiNaC headers to Alexander's liking

[ginac.git] / ginac / ncmul.h

diff --git a/ginac/ncmul.h b/ginac/ncmul.h
index 3e7fbc5841741998e18f7ad98e220ca3905354d2..5a8b732b3846b3f070a3d19b531a4deaa62fb9c5 100644 (file)
--- a/ginac/ncmul.h
+++ b/ginac/ncmul.h
@@ -22,6 +22,8 @@
 #ifndef __GINAC_NCMUL_H__
 #define __GINAC_NCMUL_H__
 
+#include <ginac/exprseq.h>
+
 /** Non-commutative product of expressions. */
 class ncmul : public exprseq
 {