try to fix with_perl option

texinfo/texinfo.patch

@@ -1,6 +1,6 @@
 Index: tp/Makefile.PL
 --- tp/Makefile.PL.orig	2015-08-18 19:36:14.000000000 +0200
-+++ tp/Makefile.PL	2016-09-11 09:04:56.170867040 +0200
++++ tp/Makefile.PL	2018-01-20 22:34:33.237583000 +0100
 @@ -19,11 +19,6 @@
                            "Text::Unidecode" => 0,
                            "Locale::Messages" => 0,
@@ -13,3 +13,15 @@ Index: tp/Makefile.PL
      PMLIBDIRS         => [ 'Texinfo', 'LocaleData', 'DebugTexinfo' ],
      EXE_FILES         => [ 'texi2any' ],
      # FIXME MakeMaker seems to support only subdirectory with one level.
+Index: tp/Texinfo/Convert/XSParagraph/Makefile.PL
+--- tp/Texinfo/Convert/XSParagraph/Makefile.PL.orig	2016-01-15 13:18:24.000000000 +0100
++++ tp/Texinfo/Convert/XSParagraph/Makefile.PL	2018-01-20 22:35:18.043401000 +0100
+@@ -21,7 +21,7 @@
+ 
+ WriteMakefile(
+     NAME              => 'Texinfo::Convert::XSParagraph::XSParagraph',
+-    VERSION_FROM      => 'XSParagraph.pm', # finds $VERSION
++    VERSION_FROM      => 'XSParagraph.xs', # finds $VERSION
+     PREREQ_PM         => {}, # e.g., Module::Name => 1.1
+     ($] >= 5.005 ?     ## Add these new keywords supported since 5.005
+       (AUTHOR         => 'Gavin Smith  <gavinsmith0123@gmail.com>') : ()),

texinfo/texinfo.spec

@@ -36,7 +36,7 @@ Class:        BASE
 Group:        Typesetting
 License:      GPL
 Version:      %{V_tarball}
-Release:      20170913
+Release:      20180120
 
 #   package options
 %option       with_perl no