[LyX/master] Add revtex 4.2 files to distribution

[Richard Kimberly Heck]

commit c90a8e6885fa5ac0e25e65a47915c49995bfb505
Author: Richard Kimberly Heck <rikiheck at lyx.org>
Date:   Mon May 18 13:20:39 2020 -0400

    Add revtex 4.2 files to distribution
---
 lib/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 7759b55..782763a 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -2391,6 +2391,8 @@ dist_layouts_DATA =\
 	layouts/revtex.layout \
 	layouts/revtex4.layout \
 	layouts/revtex4-1.layout \
+	layouts/revtex4-2.layout \
+	layouts/revtex4-x.inc \
 	layouts/rsphrase.module \
 	layouts/ruby.module \
 	layouts/sciposter.layout \