FOR MAINTAINERS: This patch will have to be removed once rawtherapee-5.9
is packaged.
Fixes the following rtengine.dir/myfile.cc.o build error:
<..>-glibc-2.34-115-dev/include/wchar.h:582:24: error: 'malloc' attribute argument 1 is ambiguous
582 | __attribute_malloc__ __attr_dealloc_fclose;
For the upstream discussion, see Beep6581/RawTherapee#6324.