[tycho] Add maven-clean-plugin to Requires.

[Roland Grunberg]

commit 702c45696f6503913bcba186f9bfc602fe3a8672
Author: Roland Grunberg <rgrunber at redhat.com>
Date:   Tue Aug 7 13:11:57 2012 -0400

    Add maven-clean-plugin to Requires.

 tycho.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tycho.spec b/tycho.spec
index 0dfb272..4841b3c 100644
--- a/tycho.spec
+++ b/tycho.spec
@@ -63,6 +63,7 @@ BuildRequires:	%{name}
 Requires:       jpackage-utils
 Requires:       decentxml
 Requires:       maven
+Requires:       maven-clean-plugin
 Requires:       maven-dependency-plugin
 Requires:       maven-shared-verifier
 Requires:       maven-surefire-provider-junit4