filter/Registry: rename the source file

src/filter/LoadOne.cxx

@@ -19,7 +19,7 @@
 
 #include "LoadOne.hxx"
 #include "FilterPlugin.hxx"
-#include "FilterRegistry.hxx"
+#include "Registry.hxx"
 #include "Prepared.hxx"
 #include "config/Block.hxx"
 #include "util/RuntimeError.hxx"

src/filter/Registry.cxx

@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "FilterRegistry.hxx"
+#include "Registry.hxx"
 #include "FilterPlugin.hxx"
 #include "plugins/NullFilterPlugin.hxx"
 #include "plugins/RouteFilterPlugin.hxx"

src/filter/meson.build

@@ -13,7 +13,7 @@ subdir('plugins')
 
 filter_glue = static_library(
   'filter_glue',
-  'FilterRegistry.cxx',
+  'Registry.cxx',
   'Factory.cxx',
   'LoadOne.cxx',
   'LoadChain.cxx',

test/read_mixer.cxx

@@ -20,7 +20,7 @@
 #include "NullMixerListener.hxx"
 #include "mixer/MixerControl.hxx"
 #include "mixer/MixerList.hxx"
-#include "filter/FilterRegistry.hxx"
+#include "filter/Registry.hxx"
 #include "event/Loop.hxx"
 #include "config/Block.hxx"
 #include "util/PrintException.hxx"