Move libmp3lame into the lame directory

This is where it would be in the original library structure
and makes the CMakeLists.txt a tad cleaner.

lib-src/lame/libmp3lame/reservoir.h

@@ -0,0 +1,31 @@
+/*
+ *	bit reservoir include file
+ *
+ *	Copyright (c) 1999 Mark Taylor
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef LAME_RESERVOIR_H
+#define LAME_RESERVOIR_H
+
+int     ResvFrameBegin(lame_internal_flags * gfc, int *mean_bits);
+void    ResvMaxBits(lame_internal_flags * gfc, int mean_bits, int *targ_bits, int *max_bits,
+                    int cbr);
+void    ResvAdjust(lame_internal_flags * gfc, gr_info const *gi);
+void    ResvFrameEnd(lame_internal_flags * gfc, int mean_bits);
+
+#endif /* LAME_RESERVOIR_H */