[ikiwiki] Use %{python_version} only if defined.

[Thomas Moschny]

commit 0f8f3261c32d11adc0931b5c0a944369ab6a577e
Author: Thomas Moschny <thm at fedoraproject.org>
Date:   Sat Jul 23 14:07:51 2011 +0200

    Use %{python_version} only if defined.

 ikiwiki.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/ikiwiki.spec b/ikiwiki.spec
index a09225a..94852ae 100644
--- a/ikiwiki.spec
+++ b/ikiwiki.spec
@@ -38,7 +38,7 @@ Requires:       perl(CGI::FormBuilder)
 Requires:       perl(CGI::Session)
 Requires:       perl(Digest::SHA1)
 
-Requires:       python(abi) = %{python_version}
+Requires:       python(abi)%{?python_version: = %{python_version}}
 Requires:       python-docutils
 
 %global cgi_bin %{_libexecdir}/w3m/cgi-bin