WIP: Fix up fallout from rev. 9ec08d0b.

Apparently not all msys2 installations use the same libreadline dependencies, so only try to include the one that's present.

packages/win32_inno/Makefile

@@ -111,7 +111,9 @@ ifneq ($(LIGHT),yes)
 	install -p $(bin_src)/libfluidsynth-2.dll $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libgmodule-2.0-0.dll $(DESTDIR)$(bindir)/
 	install -p $(bin_src)/libreadline8.dll $(DESTDIR)$(bindir)/
-	install -p $(bin_src)/libtermcap-0.dll $(DESTDIR)$(bindir)/
+	# apparently not all msys2 versions have the same libreadline deps
+	test -f $(bin_src)/libpdcurses.dll && install -p $(bin_src)/libpdcurses.dll $(DESTDIR)$(bindir)/ || true
+	test -f $(bin_src)/libtermcap-0.dll && install -p $(bin_src)/libtermcap-0.dll $(DESTDIR)$(bindir)/ || true
 	# For other external libs
 	install -p $(bin_src)/lua53.dll          $(DESTDIR)$(bindir)/
 	#install -p $(bin_src)/pthreadGC2.dll     $(DESTDIR)$(bindir)/