[LyX/master] Fix bug #11619.

[Richard Kimberly Heck]

commit 94896166d427bbee43ba232ffafeb17b657bfe42
Author: Richard Kimberly Heck <rikih...@lyx.org>
Date:   Wed Sep 11 22:13:58 2019 -0400

    Fix bug #11619.
---
 src/Text3.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/Text3.cpp b/src/Text3.cpp
index a916603..aba7397 100644
--- a/src/Text3.cpp
+++ b/src/Text3.cpp
@@ -1523,6 +1523,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                }
 
                bv->buffer().errors("Paste");
+               bv->buffer().updatePreviews(); // bug 11619
                cur.clearSelection(); // bug 393
                cur.finishUndo();
                break;