[LyX/master] Fix bug noticed by Scott.

[Richard Kimberly Heck]

commit 2a2f15ec03e1771a5d9ac26d0c71784de4d8e5f1
Author: Richard Kimberly Heck <rikiheck at lyx.org>
Date:   Sun Jun 14 15:33:06 2020 -0400

    Fix bug noticed by Scott.
    
    Since there may be subfloats, we do not want to move past the end
    of a float when modifying it.
---
 lib/lyx2lyx/lyx_2_4.py |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/lib/lyx2lyx/lyx_2_4.py b/lib/lyx2lyx/lyx_2_4.py
index 22cc874..f3c2fdc 100644
--- a/lib/lyx2lyx/lyx_2_4.py
+++ b/lib/lyx2lyx/lyx_2_4.py
@@ -744,7 +744,9 @@ def revert_floatalignment(document):
             alcmd = put_cmd_in_ert("\\raggedleft{}")
         if len(alcmd) > 0:
             document.body[l+1:l+1] = alcmd
-        i = j
+        # There might be subfloats, so we do not want to move past
+        # the end of the inset.
+        i += 1
 
 def revert_tuftecite(document):
     """Revert \cite commands in tufte classes"""