Update version number to 1.875a.

diff --git a/configure.ac b/configure.ac
index b63a9a204d3ce255daa59f597af2d3cacf1db2e6..a6dc0cee834c287c85cc443c5580a9523b8c3d89 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@
 # We need a recent Autoconf to run a recent Autotest.
 AC_PREREQ(2.54)
 
-AC_INIT([GNU Bison], [1.875], [bug-bison@gnu.org])
+AC_INIT([GNU Bison], [1.875a], [bug-bison@gnu.org])
 AC_CONFIG_AUX_DIR(config)
 
 AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])