build: Clean all temp autoconf files in maintainer-clean
diff --git a/GNUmakefile.in b/GNUmakefile.in
index 60c9b385..bed6f401 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -205,7 +205,7 @@ distclean: clean
.PHONY: maintainer-clean
maintainer-clean: distclean
- cd '$(call SHESCAPE,$(SRCDIR))' && rm -rf stivale reduced-gnu-efi configure 'configure~' autom4te.cache *.tar.xz
+ cd '$(call SHESCAPE,$(SRCDIR))' && rm -rf stivale reduced-gnu-efi configure *'~' autom4te.cache *.tar.xz
.PHONY: stage23-uefi64
stage23-uefi64: $(call MKESCAPE,$(SRCDIR))/stivale
