Re: of possible interest to hppa people

The current version of racket fails to build because of a typo:

gcc -Wdate-time -D_FORTIFY_SOURCE=2 -Ibc -Ibc/rktio -I/<<PKGBUILDDIR>>/src/rktio -I/<<PKGBUILDDIR>>/src/bc/include 
-I/<<PKGBUILDDIR>>/src/version -I/<<PKGBUILDDIR>>/src/bc/src -Ibc/phase2 -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -Wformat 
-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -DUSE_SENORA_GC -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -o bc/src/setjmpup.o -c 
/<<PKGBUILDDIR>>/src/bc/src/setjmpup.c
/<<PKGBUILDDIR>>/src/bc/src/setjmpup.c: In function ‘scheme_uncopy_stack’:
/<<PKGBUILDDIR>>/src/bc/src/setjmpup.c:337:30: error: ‘struct Scheme_Cont’ has no member named ‘buf’
   337 |                     + c->cont->buf.stack_size)
       |                              ^~
compile failed

I believe "buf" should be "buf_ptr".

Dave