[LyX/master] mathed/InsetMathHull.cpp (InsetMathHull::doDispatch): do not declare LFUN_FINISHED_* lfuns as undispatched after handling them Fixes #9289, and an unreported cousin of #3900

[Alfredo Braunstein]

commit 866fc2afcc23a719919b600e10357152441a7d94
Author: Alfredo Braunstein <abrau...@lyx.org>
Date:   Sun Oct 12 11:07:28 2014 +0200

    mathed/InsetMathHull.cpp (InsetMathHull::doDispatch): do not declare 
LFUN_FINISHED_* lfuns as undispatched after handling them
    Fixes #9289, and an unreported cousin of #3900

diff --git a/src/mathed/InsetMathHull.cpp b/src/mathed/InsetMathHull.cpp
index 2f9d4de..386c373 100644
--- a/src/mathed/InsetMathHull.cpp
+++ b/src/mathed/InsetMathHull.cpp
@@ -1410,7 +1410,6 @@ void InsetMathHull::doDispatch(Cursor & cur, FuncRequest 
& cmd)
        case LFUN_FINISHED_LEFT:
                //lyxerr << "action: " << cmd.action() << endl;
                InsetMathGrid::doDispatch(cur, cmd);
-               cur.undispatched();
                break;
 
        case LFUN_PARAGRAPH_BREAK: