glib: pass poppler to gir libs.
This fix was directly copied from the Yocto Project patch for version 0.71.0 and adapted for 0.74.0
Fixes cross compilation of gir in Void Linux, and presumably in Yocto Project
[ 85%] Generating Poppler-0.18.gir g-ir-scanner: link: aarch64-linux-gnu-gcc -o /builddir/poppler-0.74.0/build/glib/tmp-introspectfs1jd4m9/Poppler-0.18 -fstack-clash-protection -D_FORTIFY_SOURCE=2 -O2 -pipe -march=armv8-a -I/usr/aarch64-linux-gnu/usr/include /builddir/poppler-0.74.0/build/glib/tmp-introspectfs1jd4m9/Poppler-0.18.o -L. -Wl,-rpath,. -Wl,--no-as-needed -L/builddir/poppler-0.74.0/build -Wl,-rpath,/builddir/poppler-0.74.0/build -L/builddir/poppler-0.74.0/build/glib -Wl,-rpath,/builddir/poppler-0.74.0/build/glib -lpoppler-glib -lgio-2.0 -lgobject-2.0 -Wl,--export-dynamic -lgmodule-2.0 -pthread -lglib-2.0 -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -L/usr/aarch64-linux-gnu/usr/lib /usr/lib/gcc/aarch64-linux-gnu/8.2.0/../../../../aarch64-linux-gnu/bin/ld: warning: libpoppler.so.85, needed by ./libpoppler-glib.so, not found (try using -rpath or -rpath-link) /usr/lib/gcc/aarch64-linux-gnu/8.2.0/../../../../aarch64-linux-gnu/bin/ld: ./libpoppler-glib.so: undefined reference to `FormWidgetText::noSpellCheck() const'