fix typo and spaces

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47901 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -120,7 +120,7 @@ Sat Oct 11 12:27:03 2014  Yuki Yugui Sonoda  <yugui@yugui.jp>
 Sat Oct 11 11:27:14 2014  Yuki Yugui Sonoda  <yugui@yugui.jp>
 
 	* io.c: fix issues in the last two commits. don't disable cloexec for
-          platforms other than NativeClient.
+	  platforms other than NativeClient.
 
 	* ChangeLog: ditto. add entries for the last two commits.
 
@@ -135,7 +135,7 @@ Sat Oct 11 11:11:53 2014  Yuki Yugui Sonoda  <yugui@yugui.jp>
 
 	* dln.c: ditto. replace the old hacky dynamic loading over HTTP with nacl_io.
 
-	* file.c: ditto. tenatively use access(2) instead of eaccess.
+	* file.c: ditto. tentatively use access(2) instead of eaccess.
 	  (rb_file_load_ok): weaken with attribute but not by postprocess.
 
 	* io.c: ditto.