[LyX/master] Some things did not need to be mutable after all

[Jean-Marc Lasgouttes]

commit 2306fca65961f2b25eb8c86ae0c8824582f74cc2
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Mon Jul 18 14:34:08 2016 +0200

    Some things did not need to be mutable after all
---
 src/insets/InsetTabular.h |    2 +-
 src/insets/InsetText.h    |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/insets/InsetTabular.h b/src/insets/InsetTabular.h
index 9e0c41e..a491a3b 100644
--- a/src/insets/InsetTabular.h
+++ b/src/insets/InsetTabular.h
@@ -756,7 +756,7 @@ public:
        ///
        column_vector column_info;
        ///
-       mutable cell_vvector cell_info;
+       cell_vvector cell_info;
        ///
        Length tabular_width;
        ///
diff --git a/src/insets/InsetText.h b/src/insets/InsetText.h
index 8df1bdf..2834019 100644
--- a/src/insets/InsetText.h
+++ b/src/insets/InsetText.h
@@ -232,7 +232,7 @@ private:
        ///
        ColorCode frame_color_;
        ///
-       mutable Text text_;
+       Text text_;
 };