[attica] fix %%build \ typo

[Rex Dieter]

commit 3c9dfe9acd0d43091b3537e542594c40340debe1
Author: Rex Dieter <rdieter at math.unl.edu>
Date:   Wed Feb 18 09:24:10 2015 -0600

    fix %%build \ typo

 attica.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/attica.spec b/attica.spec
index 5739964..36cc969 100644
--- a/attica.spec
+++ b/attica.spec
@@ -30,7 +30,7 @@ Requires:       %{name}%{?_isa} = %{version}-%{release}
 mkdir %{_target_platform}
 pushd %{_target_platform}
 %{cmake} .. \
-  -DQT4_BUILD:BOOL=ON \
+  -DQT4_BUILD:BOOL=ON
 popd
 
 make %{?_smp_mflags} -C %{_target_platform}