patch 8.2.0785: libvterm code lags behind the upstream version

Problem:    Libvterm code lags behind the upstream version.
Solution:   Include revisions 734 - 740.
diff --git a/src/libvterm/Makefile b/src/libvterm/Makefile
index f231dd3..852c97f 100644
--- a/src/libvterm/Makefile
+++ b/src/libvterm/Makefile
@@ -37,13 +37,13 @@
 HFILES_INT=$(sort $(wildcard src/*.h)) $(HFILES)
 
 VERSION_MAJOR=0
-VERSION_MINOR=0
+VERSION_MINOR=1
 
 VERSION_CURRENT=0
 VERSION_REVISION=0
 VERSION_AGE=0
 
-VERSION=0
+VERSION=$(VERSION_MAJOR).$(VERSION_MINOR)
 
 PREFIX=/usr/local
 BINDIR=$(PREFIX)/bin
@@ -110,13 +110,11 @@
 
 # DIST CUT
 
-VERSION=$(VERSION_MAJOR).$(VERSION_MINOR)
-
 DISTDIR=libvterm-$(VERSION)
 
 distdir: $(INCFILES)
 	mkdir __distdir
-	cp LICENSE __distdir
+	cp LICENSE CONTRIBUTING __distdir
 	mkdir __distdir/src
 	cp src/*.c src/*.h src/*.inc __distdir/src
 	mkdir __distdir/src/encoding