[PATCH] Bug 2446: avoid recursive loop by putting an assertion

[Abdelrazak Younes]

See detail in bugzilla:

http://bugzilla.lyx.org/show_bug.cgi?id=2446

Committing now.

Abdel.

Index: Text3.cpp
===================================================================
--- Text3.cpp   (revision 18398)
+++ Text3.cpp   (working copy)
@@ -1337,6 +1337,7 @@
        case LFUN_MATH_BIGDELIM: {
                cur.insert(new InsetMathHull(hullSimple));
                cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
+               BOOST_ASSERT(cur.inMathed());
                cur.dispatch(cmd);
                break;
        }