[LyX/master] tex2lyx: support rotated algorithm floats

[Uwe Stöhr]

commit 818373ce4f523c9cee6d369d750e43b0bdc24760
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Tue Apr 11 00:36:00 2017 +0200

    tex2lyx: support rotated algorithm floats
    
    LyX knows algorithm floats since ages. tex2lyx's support for rotated 
algorithm floats has simply been forgotten.
---
 src/tex2lyx/text.cpp |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/tex2lyx/text.cpp b/src/tex2lyx/text.cpp
index 0f7fb8c..d28ed5a 100644
--- a/src/tex2lyx/text.cpp
+++ b/src/tex2lyx/text.cpp
@@ -1466,13 +1466,16 @@ void parse_environment(Parser & p, ostream & os, bool 
outer,
        }
 
        else if (unstarred_name == "sidewaysfigure"
-               || unstarred_name == "sidewaystable") {
+               || unstarred_name == "sidewaystable"
+               || unstarred_name == "sidewaysalgorithm") {
                eat_whitespace(p, os, parent_context, false);
                parent_context.check_layout(os);
                if (unstarred_name == "sidewaysfigure")
                        begin_inset(os, "Float figure\n");
-               else
+               else if (unstarred_name == "sidewaystable")
                        begin_inset(os, "Float table\n");
+               else if (unstarred_name == "sidewaysalgorithm")
+                       begin_inset(os, "Float algorithm\n");
                os << "wide " << convert<string>(is_starred)
                   << "\nsideways true"
                   << "\nstatus open\n\n";