build: Remove leftover file (regression 2019-06-30).

* Makefile.in (distclean, maintainer-clean): Remove
include/libcharset.h.inst.
diff --git a/libcharset/ChangeLog b/libcharset/ChangeLog
index 727911d..f9fd7ce 100644
--- a/libcharset/ChangeLog
+++ b/libcharset/ChangeLog
@@ -1,3 +1,9 @@
+2022-02-12  Bruno Haible  <bruno@clisp.org>
+
+	build: Remove leftover file (regression 2019-06-30).
+	* Makefile.in (distclean, maintainer-clean): Remove
+	include/libcharset.h.inst.
+
 2021-02-07  Bruno Haible  <bruno@clisp.org>
 
 	Support creating shared libraries on MidnightBSD.
diff --git a/libcharset/Makefile.in b/libcharset/Makefile.in
index 4df5842..15fd831 100644
--- a/libcharset/Makefile.in
+++ b/libcharset/Makefile.in
@@ -70,12 +70,12 @@
 
 distclean : force
 	cd lib && if test -f Makefile; then $(MAKE) distclean; fi
-	$(RM) include/libcharset.h include/localcharset.h include/localcharset.h.inst
+	$(RM) include/libcharset.h include/libcharset.h.inst include/localcharset.h include/localcharset.h.inst
 	$(RM) config.status config.log config.cache Makefile config.h libtool
 
 maintainer-clean : force
 	cd lib && if test -f Makefile; then $(MAKE) maintainer-clean; fi
-	$(RM) include/libcharset.h include/localcharset.h include/localcharset.h.inst
+	$(RM) include/libcharset.h include/libcharset.h.inst include/localcharset.h include/localcharset.h.inst
 	$(RM) config.status config.log config.cache Makefile config.h libtool
 
 # List of source files.