path: change license to LGPL

The history goes back to 2001 or so, but everyone involved with still
existing code has agreed.

One person who could not be reached yet (elevengu) has changes in this,
which as far as I can tell were overwritten anyway at a later point.

Copyright

@@ -162,7 +162,7 @@ LGPL relicensing status:
     options/options.*               very hard (lots of options and history)
     options/parse_commandline.*     easy
     options/parse_configfile.*      easy
-    options/path.*                  medium
+    options/path.*                  LGPL
     osdep/android/*                 LGPL (BSD)
     osdep/ar/*                      LGPL (BSD)
     osdep/atomic.h                  LGPL
@@ -184,10 +184,10 @@ LGPL relicensing status:
     osdep/main-fn-win.c             LGPL
     osdep/mpv.exe.manifest          easy
     osdep/mpv.rc                    easy
-    osdep/path.h                    unknown
+    osdep/path.h                    LGPL
-    osdep/path-macosx.m             unknown
+    osdep/path-macosx.m             LGPL
-    osdep/path-unix.c               unknown
+    osdep/path-unix.c               LGPL
-    osdep/path-win.c                unknown
+    osdep/path-win.c                LGPL
     osdep/semaphore.h               LGPL
     osdep/semaphore_osx.c           LGPL
     osdep/strnlen.h                 LGPL

options/path.c

@@ -1,25 +1,20 @@
 /*
- * Get path to config dir/file.
- *
- * Return Values:
- *   Returns the pointer to the ALLOCATED buffer containing the
- *   zero terminated path string. This buffer has to be FREED
- *   by the caller.
- *
  * This file is part of mpv.
  *
- * mpv is free software; you can redistribute it and/or modify
+ * Get path to config dir/file.
- * it under the terms of the GNU General Public License as published by
+ *
- * the Free Software Foundation; either version 2 of the License, or
+ * mpv is free software; you can redistribute it and/or
- * (at your option) any later version.
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * mpv 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 General Public License for more details.
+ * GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along
+ * You should have received a copy of the GNU Lesser General Public
- * with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <assert.h>

options/path.h

@@ -3,18 +3,18 @@
  *
  * This file is part of mpv.
  *
- * mpv is free software; you can redistribute it and/or modify
+ * mpv is free software; you can redistribute it and/or
- * it under the terms of the GNU General Public License as published by
+ * modify it under the terms of the GNU Lesser General Public
- * the Free Software Foundation; either version 2 of the License, or
+ * License as published by the Free Software Foundation; either
- * (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * mpv 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 General Public License for more details.
+ * GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along
+ * You should have received a copy of the GNU Lesser General Public
- * with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef MPLAYER_PATH_H