[perl #41163] [PATCH] suppress uninitialized value warning in config/inter/yacc.pm

[Lee Duhem]

# New Ticket Created by  "Lee Duhem" 
# Please include the string:  [perl #41163]
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# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=41163 >


This patch suppress some uninitialized value warning in config/inter/yacc.pm
when use --maintainer option at configure.

$ diffstat /tmp/yacc.patch 
 yacc.pm |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)


Index: config/inter/yacc.pm
===================================================================
--- config/inter/yacc.pm        (revision 16381)
+++ config/inter/yacc.pm        (working copy)
@@ -89,7 +89,8 @@
 
         # someday we might need to check $3 also.
         my ( $prog_major, $prog_minor, $prog_patch ) = ( $1, $2, $3 );
-        my $prog_version = "$1.$2$3";
+        $prog_patch = $3 ? $3 : "";
+        my $prog_version = "$1.$2$prog_patch";
 
         # is there a version requirement?
         my $req = $conf->options->get('bison_required');