Add missing new-lines at end of file
diff --git a/src/ruby/bin/math_server.rb b/src/ruby/bin/math_server.rb
index ff38b2a..93277e3 100755
--- a/src/ruby/bin/math_server.rb
+++ b/src/ruby/bin/math_server.rb
@@ -187,4 +187,4 @@
   s.run
 end
 
-main
\ No newline at end of file
+main