Use version macro for build requires

gstreamer1-plugins-bad-freeworld.spec

@@ -10,8 +10,8 @@ License:        LGPLv2+
 Group:          Applications/Multimedia
 URL:            http://gstreamer.freedesktop.org/
 Source0:        http://gstreamer.freedesktop.org/src/gst-plugins-bad/gst-plugins-bad-%{version}.tar.xz
-BuildRequires:  gstreamer1-devel >= 1.11.1
-BuildRequires:  gstreamer1-plugins-base-devel >= 1.11.1
+BuildRequires:  gstreamer1-devel >= %{version}
+BuildRequires:  gstreamer1-plugins-base-devel >= %{version}
 BuildRequires:  check
 BuildRequires:  gettext-devel
 BuildRequires:  libXt-devel