drop ghc_devel_requires and use generic devel description

ghc-vector.spec

@@ -27,11 +27,13 @@ and immutable), with a powerful loop optimisation framework.
 
 %package devel
 Summary:        Haskell %{pkg_name} library development files
-%{?ghc_devel_requires}
+Requires:       ghc-compiler = %{ghc_version}
+Requires(post): ghc-compiler = %{ghc_version}
+Requires(postun): ghc-compiler = %{ghc_version}
+Requires:       %{name} = %{version}-%{release}
 
 %description devel
-An efficient implementation of Int-indexed arrays (both mutable
-and immutable), with a powerful loop optimisation framework.
+This package provides the Haskell %{pkg_name} library development files.
 
 
 %prep
@@ -66,8 +68,8 @@ and immutable), with a powerful loop optimisation framework.
 
 
 %changelog
-* Wed Apr 24 2013 Jens Petersen <petersen@redhat.com> - 0.10.0.1-6
-- update to revised simplified Haskell Packaging Guidelines (cabal-rpm-0.8)
+* Tue Jun  4 2013 Jens Petersen <petersen@redhat.com> - 0.10.0.1-6
+- update to new simplified Haskell Packaging Guidelines
 
 * Wed Feb 13 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.10.0.1-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild