[interchange] Fix masking lexical warning

[David Christensen]

commit 002c0298d274640fba497de6ef6404987992ee58
Author: David Christensen <david at endpoint.com>
Date:   Thu Jun 22 12:57:29 2017 -0500

    Fix masking lexical warning

 lib/Vend/UserDB.pm |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/lib/Vend/UserDB.pm b/lib/Vend/UserDB.pm
index 3015e85..12fc020 100644
--- a/lib/Vend/UserDB.pm
+++ b/lib/Vend/UserDB.pm
@@ -128,7 +128,7 @@ sub enc_bcrypt {
 
     my $bcrypt = Digest::Bcrypt->new;
 
-    my $salt =
+    $salt =
         $store->{salt}
         ||
         Crypt::Random::makerandom_octet(