stored_playlist: moved configuration variables from playlist.c

Don't declare and export variables specific to stored playlists in
playlist.c/playlist.h.

src/stored_playlist.c

@@ -24,6 +24,7 @@
 #include "ls.h"
 #include "database.h"
 #include "idle.h"
+#include "conf.h"
 
 #include <assert.h>
 #include <sys/types.h>
@@ -33,6 +34,20 @@
 #include <string.h>
 #include <errno.h>
 
+static unsigned playlist_max_length;
+bool playlist_saveAbsolutePaths = DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS;
+
+void
+spl_global_init(void)
+{
+	playlist_max_length = config_get_positive(CONF_MAX_PLAYLIST_LENGTH,
+						  DEFAULT_PLAYLIST_MAX_LENGTH);
+
+	playlist_saveAbsolutePaths =
+		config_get_bool(CONF_SAVE_ABSOLUTE_PATHS,
+				DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS);
+}
+
 static struct stored_playlist_info *
 load_playlist_info(const char *parent_path_fs, const char *name_fs)
 {