Description of problem:

BuildRequires: qt-devel >= %{qt_version} is missing epoch tag. Since
older versions of qt have epoch, it makes possible to build this arts
package with older versions of qt without any warnings.

Version-Release number of selected component (if applicable):

1.3.0-1

How reproducible:

always

Steps to Reproduce:

try to rebuild package on a system with qt-3.3.2-10 installed (FC2)
  
Actual results:

it will be rebuilt without warnings

Expected results:

Should show error message about unsatisfied dependency and stop.

Additional info:

It must be 
BuildRequires: qt-devel >= 1:%{qt_version}  or qt_version must be 1:3.3.3