Ensure autoconf 2.13 compatibility again.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr-util/trunk@58922 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/build/dbm.m4 b/build/dbm.m4
index 6bd5451..9b67c53 100644
--- a/build/dbm.m4
+++ b/build/dbm.m4
@@ -75,7 +75,11 @@
       ;;
     esac
 
-    AC_MSG_NOTICE([checking for Berkeley DB $bdb_version in $description])
+    # Since there is no AC_MSG_NOTICE in autoconf 2.13, we use this
+    # trick to display a message instead.
+    AC_MSG_CHECKING([checking for Berkeley DB $bdb_version in $description])
+    AC_MSG_RESULT()
+
     for bdb_libname in $bdb_default_search_lib_names; do
       for bdb_header in $bdb_default_search_headers; do
         # Clear the header cache variable for each location