some general source code tweaks

src/Makefile.am

@@ -1,10 +1,40 @@
 bin_PROGRAMS = ncmpcpp
-ncmpcpp_SOURCES = actions.cpp browser.cpp charset.cpp clock.cpp conv.cpp \
-	curl_handle.cpp display.cpp error.cpp help.cpp helpers.cpp lastfm.cpp \
-	lastfm_service.cpp lyrics.cpp lyrics_fetcher.cpp media_library.cpp menu.cpp mpdpp.cpp \
-	ncmpcpp.cpp outputs.cpp playlist.cpp playlist_editor.cpp screen.cpp scrollpad.cpp \
-	search_engine.cpp sel_items_adder.cpp server_info.cpp settings.cpp song.cpp song_info.cpp \
-	status.cpp tag_editor.cpp tiny_tag_editor.cpp tolower.cpp visualizer.cpp \
+ncmpcpp_SOURCES = \
+	actions.cpp \
+	browser.cpp \
+	charset.cpp \
+	clock.cpp \
+	conv.cpp \
+	curl_handle.cpp \
+	display.cpp \
+	error.cpp \
+	global.cpp \
+	help.cpp \
+	helpers.cpp \
+	lastfm.cpp \
+	lastfm_service.cpp \
+	lyrics.cpp \
+	lyrics_fetcher.cpp \
+	media_library.cpp \
+	menu.cpp \
+	mpdpp.cpp \
+	ncmpcpp.cpp \
+	outputs.cpp \
+	playlist.cpp \
+	playlist_editor.cpp \
+	screen.cpp \
+	scrollpad.cpp \
+	search_engine.cpp \
+	sel_items_adder.cpp \
+	server_info.cpp \
+	settings.cpp \
+	song.cpp \
+	song_info.cpp \
+	status.cpp \
+	tag_editor.cpp \
+	tiny_tag_editor.cpp \
+	tolower.cpp \
+	visualizer.cpp \
 	window.cpp
 
 # set the include path found by configure
@@ -12,9 +42,37 @@ INCLUDES= $(all_includes)
 
 # the library search path.
 ncmpcpp_LDFLAGS = $(all_libraries)
-noinst_HEADERS = browser.h charset.h clock.h conv.h curl_handle.h display.h \
-	error.h global.h help.h helpers.h lastfm.h lastfm_service.h lyrics.h \
-	lyrics_fetcher.h macro_utilities.h media_library.h menu.h mpdpp.h outputs.h \
-	playlist_editor.h screen.h scrollpad.h search_engine.h sel_items_adder.h server_info.h \
-	settings.h song.h song_info.h tag_editor.h tiny_tag_editor.h tolower.h \
-	visualizer.h window.h
+noinst_HEADERS = \
+	browser.h \
+	charset.h \
+	clock.h \
+	conv.h \
+	curl_handle.h \
+	display.h \
+	error.h \
+	global.h \
+	help.h \
+	helpers.h \
+	lastfm.h \
+	lastfm_service.h \
+	lyrics.h \
+	lyrics_fetcher.h \
+	macro_utilities.h \
+	media_library.h \
+	menu.h \
+	mpdpp.h \
+	outputs.h \
+	playlist_editor.h \
+	screen.h \
+	scrollpad.h \
+	search_engine.h \
+	sel_items_adder.h \
+	server_info.h \
+	settings.h \
+	song.h \
+	song_info.h \
+	tag_editor.h \
+	tiny_tag_editor.h \
+	tolower.h \
+	visualizer.h \
+	window.h