We currently install liblopsub.a with mode 755, but the executable
bit is not needed. In fact, lintian complains about this.
$(INSTALL) -d $(DESTDIR)$(PREFIX)/lib $(DESTDIR)$(PREFIX)/include \
$(DESTDIR)$(PREFIX)/man/man1 $(DESTDIR)$(PREFIX)/man/man5 \
$(DESTDIR)$(PREFIX)/man/man7 $(DESTDIR)$(PREFIX)/bin
- $(INSTALL) -m 755 liblopsub.a $(DESTDIR)$(PREFIX)/lib
+ $(INSTALL) -m 644 liblopsub.a $(DESTDIR)$(PREFIX)/lib
$(INSTALL) -m 755 lopsubgen $(DESTDIR)$(PREFIX)/bin
$(INSTALL) -m 644 lopsub.h $(DESTDIR)$(PREFIX)/include
$(INSTALL) -m 644 lopsub-internal.h $(DESTDIR)$(PREFIX)/include