Use openh264_version macro instead of the version macro

We can't use %{version} in %files as it gets redefined by the gstreamer
subpackage.

openh264.spec

@@ -3,18 +3,19 @@
 %global commit1 c5f1d0f3213178818cbfb3e16f31d07328980560
 %global shortcommit1 %(c=%{commit1}; echo ${c:0:7})
 
+%global openh264_version 1.7.0
 %global gst_version 1.10.4
 # needs to be bumped for every rebuild
 %global gst_release 1
 
 Name:           openh264
-Version:        1.7.0
+Version:        %{openh264_version}
 Release:        1%{?dist}
 Summary:        H.264 codec library
 
 License:        BSD
 URL:            http://www.openh264.org/
-Source0:        https://github.com/cisco/openh264/archive/v%{version}/openh264-%{version}.tar.gz
+Source0:        https://github.com/cisco/openh264/archive/v%{openh264_version}/openh264-%{openh264_version}.tar.gz
 Source1:        https://github.com/mozilla/gmp-api/archive/%{commit1}/gmp-api-%{shortcommit1}.tar.gz
 # The source is:
 # http://gstreamer.freedesktop.org/src/gst-plugins-bad/gst-plugins-bad-%%{gst_version}.tar.xz
@@ -35,7 +36,7 @@ suitable for use in real time applications such as WebRTC.
 
 %package        devel
 Summary:        Development files for %{name}
-Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{openh264_version}-%{release}
 
 %description    devel
 The %{name}-devel package contains libraries and header files for
@@ -44,7 +45,7 @@ developing applications that use %{name}.
 
 %package     -n mozilla-openh264
 Summary:        H.264 codec support for Mozilla browsers
-Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{openh264_version}-%{release}
 Requires:       mozilla-filesystem%{?_isa}
 
 %description -n mozilla-openh264
@@ -199,7 +200,7 @@ popd
 %license LICENSE
 %doc README.md
 %{_libdir}/libopenh264.so.4
-%{_libdir}/libopenh264.so.%{version}
+%{_libdir}/libopenh264.so.%{openh264_version}
 
 %files devel
 %{_includedir}/wels/