Configure: avoid uninit data in configdata.pm

Fixes #5394

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5399)

1 files changed, 2 insertions, 1 deletions

diff --git a/Configure b/Configure
index 9835cf0..0cc554f 100755
--- a/Configure
+++ b/Configure
@@ -2382,7 +2382,8 @@ _____
         my $longest2 = 0;
         foreach my $what (@disablables) {
             $longest = length($what) if $longest < length($what);
-            $longest2 = length($disabled{$what}) if $longest2 < length($disabled{$what});
+            $longest2 = length($disabled{$what})
+                if $disabled{$what} && $longest2 < length($disabled{$what});
         }
         print "\nEnabled features:\n\n";
         foreach my $what (@disablables) {