[PATCH:xf86-input-mouse] Add AC_SYSTEM_EXTENSIONS to expose asprintf

[Patrik Jakobsson]

As required by the following commit:
commit 8c75f6e1c117f3d05f0bc7bed34f0e7e933f3b9a
Use asprintf (or Xprintf on old servers) instead of strdup+sprintf

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson at gmail.com>
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index bd782a5..6c40988 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,7 @@ AC_INIT([xf86-input-mouse],
 AC_CONFIG_SRCDIR([Makefile.am])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_AUX_DIR(.)
+AC_USE_SYSTEM_EXTENSIONS
 
 # Initialize Automake
 AM_INIT_AUTOMAKE([foreign dist-bzip2])
-- 
1.8.3.2