[polymake] Build without Singular support to bootstrap.

[Jerry James]

commit ad613c2515e0ee90437f148e5540426fea9b8aad
Author: Jerry James <jamesjer at betterlinux.com>
Date:   Tue Sep 16 09:14:20 2014 -0600

    Build without Singular support to bootstrap.

 polymake.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/polymake.spec b/polymake.spec
index 1b3e737..af04974 100644
--- a/polymake.spec
+++ b/polymake.spec
@@ -2,7 +2,7 @@
 # rebuilt, because each BRs the other and both are linked against the old
 # version of the library.  Use this to rebuild polymake without Singular
 # support, rebuild Singular, then build polymake again with Singular support.
-%bcond_without singular
+%bcond_with singular
 
 # Date of the "perpetual beta" git snapshot
 %global gitdate  20140811