Remove unneeded mutable keywords

[lyx.git] / src / DocIterator.h

diff --git a/src/DocIterator.h b/src/DocIterator.h
index 3d5647c8931b55008a81f1470429bc94266a2ceb..77968191dd23af9042e0ba7110e6622034549d91 100644 (file)
--- a/src/DocIterator.h
+++ b/src/DocIterator.h
@@ -15,7 +15,7 @@
 #include "CursorSlice.h"
 
 #include <vector>
-
+#include <algorithm>
 
 namespace lyx {