color-tests requires bootstrapping with git Automake

[Ralf Wildenhues]

Applied to master.  Sorry for forgetting to do that right away.

Cheers,
Ralf

    * configure.ac (AM_INIT_AUTOMAKE): Require version 1.10a.

diff --git a/configure.ac b/configure.ac
index fcc8902..9e08204 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,7 +32,7 @@ AC_CANONICAL_BUILD
 # suite) without being bothered by `missing'.
 AC_SUBST([am_AUTOCONF], ["${AUTOCONF-autoconf}"])
 
-AM_INIT_AUTOMAKE([1.8a dist-bzip2 filename-length-max=99 color-tests])
+AM_INIT_AUTOMAKE([1.10a dist-bzip2 filename-length-max=99 color-tests])
 
 # The API version is the base version.  We must guarantee
 # compatibility for all releases with the same API version.