configure.ac: bump version to 2.4.56 for release

diff --git a/configure.ac b/configure.ac
index a7be095..5e9cb6c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@
 
 AC_PREREQ([2.63])
 AC_INIT([libdrm],
-        [2.4.55],
+        [2.4.56],
         [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
         [libdrm])