squeak-plugins-scratch: FTBFS on arm{el,hf}: WeDoLinux.c:175:9: error: implicit declaration of function ‘close’; did you mean ‘pclose’? [-Werror=implicit-function-declaration]

Imported from Debian bug http://bugs.debian.org/1065944:

Source: squeak-plugins-scratch
Version: 1.4.0.2~svn.r83-3.1
Severity: serious
Tags: ftbfs
Justification: fails to build from source (but built successfully in the past)
X-Debbugs-Cc: <email address hidden>

https://buildd.debian.org/status/fetch.php?pkg=squeak-plugins-scratch&arch=armel&ver=1.4.0.2%7Esvn.r83-3.1%2Bb1&stamp=1710056636&raw=0

cd wedo/ && \
 arm-linux-gnueabi-gcc -std=gnu89 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -g -fPIC -c *.c
WeDoLinux.c: In function ‘WeDoClosePort’:
WeDoLinux.c:175:9: error: implicit declaration of function ‘close’; did you mean ‘pclose’? [-Werror=implicit-function-declaration]
  175 | close(fdWeDo);
      | ^~~~~
      | pclose
cc1: some warnings being treated as errors
make: *** [debian/rules:31: build-stamp] Error 1

Cheers
--
Sebastian Ramacher