ar x creates .obj files, not .o

Author: lkeegan

build.sh

@@ -618,7 +618,7 @@ if [ "$RUNNER_OS" != "Linux" ]; then
  ar x ${INSTALL_PREFIX}/lib/libQt6BundledFreetype.a
  ar x ${INSTALL_PREFIX}/lib/libQt6BundledLibpng.a
  ar x ${INSTALL_PREFIX}/lib/libz.a
- ld -r -o libCombinedFreetype.o *.o
+ ld -r -o libCombinedFreetype.o *.obj
  ar rcs ${INSTALL_PREFIX}/lib/libCombinedFreetype.a libCombinedFreetype.o
  cd ..
  fi