add forgotten header

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@16922 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/encoding.h b/src/encoding.h
index b738893132b2507d3ed6f66b2e94e8f7e3959d91..f07fb645a47090ea27c9622a6d8bbdbb7c6177c1 100644 (file)
--- a/src/encoding.h
+++ b/src/encoding.h
@@ -15,6 +15,7 @@
 
 #include "support/docstring.h"
 
+#include <map>
 #include <set>
 
 namespace lyx {