[tlbuild] rebuild for mpost/luatex btex fix

[texlive at schoepfer.info]

I missed to put the list on cc:

> On 2021/04/19 10:06, Karl Berry wrote:
>> I didn't try a test build. Let me know if problems.
> 
> It seems that you forgot to update pmpostdir/pmp.ch.

With the diff from release to branch2021 applied, here the build fails 
with:

mv -f .deps/mpost-mpxout.Tpo .deps/mpost-mpxout.Po
/bin/sh ./libtool  --tag=CC   --mode=link gcc -Wimplicit -Wreturn-type 
-O2 -fPIC   -o mpost mpost-m
post.o mpost-mpxout.o libmplibcore.a libmplibextramath.a 
libmplibbackends.a  /tmp/texlive-20210324-
source/build/texk/kpathsea/libkpathsea.la -lmpfr -lgmp -lcairo 
-lpixman-1 -lpng16 -lz -lz libmputil
.a
libtool: link: gcc -Wimplicit -Wreturn-type -O2 -fPIC -o .libs/mpost 
mpost-mpost.o mpost-mpxout.o
libmplibcore.a libmplibextramath.a libmplibbackends.a 
/tmp/texlive-20210324-source/build/texk/kpath
sea/.libs/libkpathsea.so -lmpfr -lgmp -lcairo -lpixman-1 -lpng16 -lz 
libmputil.a
CWEBINPUTS=.:../../../texk/web2c/pmpostdir 
TEXMFCNF=../../../texk/web2c/../kpathsea ./ctangle pmp p
mp

! Change file entry did not match. (l. 16 of change file)
@d default_banner "This is MetaPost, Version 2.00" /* printed when \MP\ 
starts */ (Pardon me, but I
  think I spotted something wrong.)
make[4]: *** [Makefile:21496: pmp-tangle] Fehler 1


Another not so important and easy to handle thing is, the diff from 
release to branch2021 has lots of
Only in texlive-20210324-source/utils/asymptote: tr.d
Only in texlive-20210324-source/utils/asymptote: tr.o
Only in texlive-20210324-source/utils/asymptote: types.d
Only in texlive-20210324-source/utils/asymptote: types.o
Only in texlive-20210324-source/utils/asymptote: types.symbols.h
Only in texlive-20210324-source/utils/asymptote: util.d
Only in texlive-20210324-source/utils/asymptote: util.o
Only in texlive-20210324-source/utils/asymptote: varinit.d
Only in texlive-20210324-source/utils/asymptote: varinit.o
Only in texlive-20210324-source/utils/asymptote: virtualfieldaccess.d
Only in texlive-20210324-source/utils/asymptote: virtualfieldaccess.o
Only in texlive-20210324-source/utils/asymptote: writePRC.d
Only in texlive-20210324-source/utils/asymptote: writePRC.o
Only in texlive-20210324-source/utils/asymptote: xasy
...


Johannes