package/alsa-lib: bump version to 1.2.15.1

https://www.alsa-project.org/wiki/Changes_v1.2.14_v1.2.15#alsa-lib
https://www.alsa-project.org/wiki/Changes_v1.2.15_v1.2.15.1#alsa-lib

Rebased patch 0001.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/alsa-lib/0001-Don-t-use-fork-on-noMMU-platforms.patch

@@ -10,11 +10,10 @@ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
 [Jörg: update patch for 1.1.6]
 Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
 Upstream: http://mailman.alsa-project.org/pipermail/alsa-devel/2018-November/141376.html
-[Bernd: update patch for 1.2.4 & 1.2.7]
-Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+[Bernd: update patch for 1.2.15.1]
+Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
 [Dario: make the patch to be applied with fuzz factor 0]
 Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
-
 ---
  configure.ac         |  2 ++
  src/pcm/pcm_direct.c | 10 +++++++++-
@@ -41,7 +40,7 @@ index e53e59238119..cf94c7c1dbf0 100644
  		close(dmix->server_fd);
  		return ret;
  	}
--	
+-
 +
 +#ifdef HAVE_FORK
  	ret = fork();

package/alsa-lib/alsa-lib.hash

@@ -1,4 +1,4 @@
 # Locally calculated
-sha256  be9c88a0b3604367dd74167a2b754a35e142f670292ae47a2fdef27a2ee97a32  alsa-lib-1.2.14.tar.bz2
+sha256  7f983ca89ca420872ca16e8a9f8f97fb63db6c1c6e2585b91737a08bb03f566c  alsa-lib-1.2.15.1.tar.bz2
 sha256  32434afcc8666ba060e111d715bfdb6c2d5dd8a35fa4d3ab8ad67d8f850d2f2b  COPYING
 sha256  bfe16cf823bcff261fc6a062c07ee96660e3c39678f42f39a788a68dbc234ced  aserver/COPYING

package/alsa-lib/alsa-lib.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-ALSA_LIB_VERSION = 1.2.14
+ALSA_LIB_VERSION = 1.2.15.1
 ALSA_LIB_SOURCE = alsa-lib-$(ALSA_LIB_VERSION).tar.bz2
 ALSA_LIB_SITE = https://www.alsa-project.org/files/pub/lib
 ALSA_LIB_LICENSE = LGPL-2.1+ (library), GPL-2.0+ (aserver)