[imapsync] Fix typo

[Nick Bebout]

commit 9656f7f113ae45a180f64278b77e761e569216ef
Author: Nick Bebout <nb at fedoraproject.org>
Date:   Mon May 20 17:54:52 2013 -0500

    Fix typo

 imapsync.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/imapsync.spec b/imapsync.spec
index afa3560..16cac55 100644
--- a/imapsync.spec
+++ b/imapsync.spec
@@ -13,7 +13,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildArch: noarch
 BuildRequires: perl(Test::Simple) perl(Digest::MD5)
-BuildRequires: perl(Time::HiRes) perl(Digest:HMAC)
+BuildRequires: perl(Time::HiRes) perl(Digest::HMAC_MD5)
 BuildRequires: perl(Mail::IMAPClient) >= 3.25
 %if 0%{?fedora} >= 19
 BuildRequires: perl-podlators