[LyX/master] Mark a signal invokation as such

[Jean-Marc Lasgouttes]

commit 6375a3cd65fe9a98e266028fb9dc900892f8340b
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Sun Oct 23 13:48:18 2016 +0200

    Mark a signal invokation as such
---
 src/frontends/qt4/GuiWorkArea.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt4/GuiWorkArea.cpp 
b/src/frontends/qt4/GuiWorkArea.cpp
index 22523a8..6b2a10b 100644
--- a/src/frontends/qt4/GuiWorkArea.cpp
+++ b/src/frontends/qt4/GuiWorkArea.cpp
@@ -1395,7 +1395,7 @@ void GuiWorkArea::updateWindowTitle()
                d->read_only_ = buf.isReadonly();
                d->vc_status_ = buf.lyxvc().vcstatus();
                d->clean_ = buf.isClean();
-               titleChanged(this);
+               Q_EMIT titleChanged(this);
        }
 }