[OpenImageIO/el6] Add OpenColorIO-devel, not OpenColorIO.

[Richard Shaw]

commit 6e554ccd1a74ef60da64a77529a66708e6a924e0
Author: Richard M. Shaw <hobbes1069 at gmail.com>
Date:   Mon May 7 12:42:12 2012 -0500

    Add OpenColorIO-devel, not OpenColorIO.

 OpenImageIO.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/OpenImageIO.spec b/OpenImageIO.spec
index 7e26440..86b6b7e 100644
--- a/OpenImageIO.spec
+++ b/OpenImageIO.spec
@@ -29,7 +29,7 @@ BuildRequires:  tbb-devel
 %endif
 # Field3D requires cmake 2.8 but EL6 only has 2.6.
 #BuildRequires:  hdf5-devel Field3D-devel
-BuildRequires:  OpenColorIO
+BuildRequires:  OpenColorIO-devel
 
 # We don't want to provide private python extension libs
 %{?filter_setup: