[FYI] {minor} maint: bump version number 1.15 -> 1.15a ('minor' Git branch)

* configure.ac (AC_INIT): Bump version number to 1.15a.
* m4/amversion.m4: Likewise (auto-updated by "make bootstrap").

Signed-off-by: Stefano Lattarini <[email protected]>
---
 configure.ac    | 2 +-
 m4/amversion.m4 | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index beb9eab..11a908f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.69])
-AC_INIT([GNU Automake], [1.15], [[email protected]])
+AC_INIT([GNU Automake], [1.15a], [[email protected]])
 
 AC_CONFIG_SRCDIR([bin/automake.in])
 AC_CONFIG_AUX_DIR([lib])
diff --git a/m4/amversion.m4 b/m4/amversion.m4
index ca4231f..ed70533 100644
--- a/m4/amversion.m4
+++ b/m4/amversion.m4
@@ -12,10 +12,10 @@
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.15'
+[am__api_version='1.15a'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.15], [],
+m4_if([$1], [1.15a], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -31,7 +31,7 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.15])dnl
+[AM_AUTOMAKE_VERSION([1.15a])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
-- 
2.1.3