Merge #20081: update alsa lib, plugins and utils

pkgs/development/python-modules/poezio/make_default_config_writable.patch

@@ -0,0 +1,25 @@
+diff -ruN a/src/config.py b/src/config.py
+--- a/src/config.py	2015-07-31 19:35:37.000000000 +0000
++++ b/src/config.py	2015-08-03 09:23:34.322098081 +0000
+@@ -14,6 +14,7 @@
+ 
+ import logging.config
+ import os
++import stat
+ import sys
+ import pkg_resources
+ 
+@@ -563,6 +564,13 @@
+             copy2(default, options.filename)
+         elif path.isfile(other):
+             copy2(other, options.filename)
++
++        # Inside the nixstore, the reference file is readonly, so is the copy.
++        # Make it writable by the user who just created it.
++        if os.path.exists(options.filename):
++            os.chmod(options.filename,
++                     os.stat(options.filename).st_mode | stat.S_IWUSR)
++
+         global firstrun
+         firstrun = True
+