gnu: pulseaudio: Increase timeout on cpu-mix-test.

* gnu/packages/patches/pulseaudio-longer-test-timeout.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/pulseaudio.scm (pulseaudio)[source]: Add patch.

gnu-system.am

@@ -504,6 +504,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/portaudio-audacity-compat.patch		\
   gnu/packages/patches/procps-make-3.82.patch			\
   gnu/packages/patches/pulseaudio-fix-mult-test.patch		\
+  gnu/packages/patches/pulseaudio-longer-test-timeout.patch	\
   gnu/packages/patches/pybugz-encode-error.patch		\
   gnu/packages/patches/pybugz-stty.patch			\
   gnu/packages/patches/pyqt-configure.patch			\

gnu/packages/patches/pulseaudio-longer-test-timeout.patch

@@ -0,0 +1,13 @@
+Increase the timeout on 'cpu-mix-test' to accommodate slower machines.
+
+--- pulseaudio-6.0/src/tests/cpu-mix-test.c.ORIG	2015-02-12 09:10:35.000000000 -0500
++++ pulseaudio-6.0/src/tests/cpu-mix-test.c	2015-03-31 13:45:05.316878322 -0400
+@@ -212,7 +212,7 @@
+ #if defined (__arm__) && defined (__linux__) && defined (HAVE_NEON)
+     tcase_add_test(tc, mix_neon_test);
+ #endif
+-    tcase_set_timeout(tc, 120);
++    tcase_set_timeout(tc, 240);
+     suite_add_tcase(s, tc);
+ 
+     sr = srunner_create(s);

gnu/packages/pulseaudio.scm

@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -128,7 +128,9 @@ rates. ")
               '(substitute* "src/daemon/default.pa.in"
                  (("load-module module-console-kit" all)
                   (string-append "#" all "\n"))))
-             (patches (list (search-patch "pulseaudio-fix-mult-test.patch")))))
+             (patches
+              (list (search-patch "pulseaudio-fix-mult-test.patch")
+                    (search-patch "pulseaudio-longer-test-timeout.patch")))))
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags (list "--localstatedir=/var" ;"--sysconfdir=/etc"