replay_gain: renamed sources to replay_gain.c, replay_gain.h

No CamelCase file names.

src/Makefile.am

@@ -59,7 +59,7 @@ mpd_headers = \
 	playerData.h \
 	playlist.h \
 	playlist_save.h \
-	replayGain.h \
+	replay_gain.h \
 	signal_check.h \
 	sig_handlers.h \
 	song.h \
@@ -137,7 +137,7 @@ mpd_SOURCES = \
 	playerData.c \
 	playlist.c \
 	playlist_save.c \
-	replayGain.c \
+	replay_gain.c \
 	sig_handlers.c \
 	signal_check.c \
 	song.c \

src/decoder_api.h

@@ -27,7 +27,7 @@
  */
 
 #include "input_stream.h"
-#include "replayGain.h"
+#include "replay_gain.h"
 #include "tag.h"
 #include "tag_id3.h"
 #include "audio_format.h"

src/main.c

@@ -38,7 +38,7 @@
 #include "volume.h"
 #include "log.h"
 #include "permission.h"
-#include "replayGain.h"
+#include "replay_gain.h"
 #include "decoder_list.h"
 #include "audioOutput.h"
 #include "input_stream.h"

src/replay_gain.c

@@ -17,7 +17,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "replayGain.h"
+#include "replay_gain.h"
 #include "utils.h"
 
 #include "log.h"