fix crash on 'do nothing'

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8436 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/cursor.C b/src/cursor.C
index 1679c27d5e2e8fc53538a16280cf221db088d77b..5cf84efe88dbdff45edae32ae7c938be32b5c5fe 100644 (file)
--- a/src/cursor.C
+++ b/src/cursor.C
@@ -1912,7 +1912,7 @@ string LCursor::currentState()
                info(os);
                return os.str();
        }
-       return text()->currentState(*this);
+       return text() ? text()->currentState(*this) : string();
 }