Correctly detect more incompatible automake versions.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@1399 d4fa192b-c00b-0410-8231-f00ffab90ce4

autogen.sh

@@ -15,7 +15,7 @@ if [ -z "$automake_version" ] ; then
     exit 1
 else
     case $automake_version in
-	0.*|1.[0-8])
+	0.*|1.[0-8]|1.[0-8][.-]*)
 	    echo "your version of automake ($automake_version) is too old;" \
 		"you need 1.9 or newer."
 	    exit 1