* tool/ifchange: fix timestamp error when target without directory.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55343 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Jun  9 21:10:04 2016  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* tool/ifchange: fix timestamp error when target without
+	  directory.
+
 Thu Jun  9 19:46:22 2016  Kazuki Yamaguchi  <k@rhe.jp>
 
 	* ext/openssl/ossl_ssl.c: Add define guards for OPENSSL_NO_EC.

tool/ifchange

@@ -75,7 +75,7 @@ fi
 
 if [ -n "${timestamp}" ]; then
     if [ x"${timestamp}" = x. ]; then
-	if [ x"$targetdir" = x. ]; then
+	if [ x"$targetdir" = x ]; then
 	    timestamp=.time."$target"
 	else
 	    timestamp="$targetdir"/.time.`basename "$target"`