[LyX/master] Record undo properly when changing multiple paragraphs parameters

[Jean-Marc Lasgouttes]

commit 83073aec3a8f3390ba5376868f181366c36dfbe2
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Sun Mar 1 16:25:19 2015 +0100

    Record undo properly when changing multiple paragraphs parameters
    
    Fixes bug 9437.

diff --git a/src/Text2.cpp b/src/Text2.cpp
index 4f6a975..a9e6db6 100644
--- a/src/Text2.cpp
+++ b/src/Text2.cpp
@@ -498,7 +498,7 @@ void Text::setParagraphs(Cursor & cur, docstring arg, bool 
merge)
                // with same layout in a sequence.
                // Do this only once for a selected range of paragraphs
                // of the same layout and depth.
-               cur.recordUndo();
+               c.recordUndo();
                par.params().apply(params, par.layout());
                if (par.getDepth() != priordepth || par.layout() != priorlayout)
                        setLabelWidthStringToSequence(c, 
params.labelWidthString());