Release v1.2.15

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

Author: perexg

configure.ac

@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.59)
-AC_INIT(alsa-lib, 1.2.15pre1)
+AC_INIT(alsa-lib, 1.2.15)
 
 AC_CONFIG_SRCDIR([src/control/control.c])
 AC_CONFIG_MACRO_DIR([m4])