* file.c: fix indent style. [fix GH-977]

* test/ruby/test_string.rb: indent. [fix GH-975]
[ci skip] These patches are contributed from @yui-knk

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_string.rb

@@ -281,10 +281,10 @@ class TestString < Test::Unit::TestCase
   def casetest(a, b, rev=false)
     msg = proc {"#{a} should#{' not' if rev} match #{b}"}
     case a
-      when b
-        assert(!rev, msg)
-      else
-        assert(rev, msg)
+    when b
+      assert(!rev, msg)
+    else
+      assert(rev, msg)
     end
   end