community/gdal: build failure after rebuild against poppler-20.09.0

It fails to build with:

<command-line>: error: invalid digit "9" in octal constant
<command-line>: error: invalid digit "9" in octal constant
<command-line>: error: invalid digit "9" in octal constant
pdfio.h:47:35: note: in expansion of macro 'POPPLER_MINOR_VERSION'
   47 | #if POPPLER_MAJOR_VERSION >= 1 || POPPLER_MINOR_VERSION >= 58
      |                                   ^~~~~~~~~~~~~~~~~~~~~
...

See: https://build.alpinelinux.org/buildlogs/build-edge-x86_64/community/gdal/gdal-3.1.2-r2.log