Added begin-end for Ruby 2.4 parser of rubocop

test/test_rake_file_utils.rb

@@ -350,30 +350,32 @@ def _synchronize
   # https://github.com/seattlerb/minitest/blob/21d9e804b63c619f602f3f4ece6c71b48974707a/lib/minitest/assertions.rb#L546
   def capture_subprocess_io
     _synchronize do
-      require "tempfile"
+      begin
+        require "tempfile"
 
-      captured_stdout = Tempfile.new("out")
-      captured_stderr = Tempfile.new("err")
+        captured_stdout = Tempfile.new("out")
+        captured_stderr = Tempfile.new("err")
 
-      orig_stdout = $stdout.dup
-      orig_stderr = $stderr.dup
-      $stdout.reopen captured_stdout
-      $stderr.reopen captured_stderr
+        orig_stdout = $stdout.dup
+        orig_stderr = $stderr.dup
+        $stdout.reopen captured_stdout
+        $stderr.reopen captured_stderr
 
-      yield
+        yield
 
-      $stdout.rewind
-      $stderr.rewind
+        $stdout.rewind
+        $stderr.rewind
 
-      return captured_stdout.read, captured_stderr.read
-    ensure
-      $stdout.reopen orig_stdout
-      $stderr.reopen orig_stderr
+        return captured_stdout.read, captured_stderr.read
+      ensure
+        $stdout.reopen orig_stdout
+        $stderr.reopen orig_stderr
 
-      orig_stdout.close
-      orig_stderr.close
-      captured_stdout.close!
-      captured_stderr.close!
+        orig_stdout.close
+        orig_stderr.close
+        captured_stdout.close!
+        captured_stderr.close!
+      end
     end
   end