fix texinfo perl requirement

SPECS/texinfo.spec

@@ -11,6 +11,7 @@ URL:		Any
 Group:		LFS/Base
 Source0:	http://ftp.gnu.org/gnu/%{name}/%{name}-%{version}.tar.xz
 Requires:	filesystem
+Provides:	perl(Texinfo::ParserNonXS) = %{version}
 %description
 The Texinfo package contains programs for reading, writing, and converting info pages.
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