Fix C++11 test

[lyx.git] / src / support / qstring_helpers.h

diff --git a/src/support/qstring_helpers.h b/src/support/qstring_helpers.h
index d5f2921af7a8ac617be2739664e8de71e8c06bb8..9c28092811ed9c980ff04f89c18ec0531a5a2efa 100644 (file)
--- a/src/support/qstring_helpers.h
+++ b/src/support/qstring_helpers.h
@@ -18,6 +18,10 @@ class QString;
 
 namespace lyx {
 
+class LyXErr;
+
+LyXErr & operator<<(LyXErr &, QString const &);
+
 /**
  * toqstr - convert a UTF8 encoded char * into a QString
  *