update mysql jdbc driver jar file

frameworks/JavaScript/ringojs/setup.sh

@@ -6,4 +6,6 @@ fw_depends java ringojs
 
 rm -rf $RINGOJS_HOME/packages/*
 ringo-admin install oberhamsi/sql-ringojs-client
+(cd $RINGOJS_HOME/packages/sql-ringojs-client/jars && curl -s -o mysql.jar https://repo1.maven.org/maven2/mysql/mysql-connector-java/5.1.39/mysql-connector-java-5.1.39.jar)
+
 ringo --production -J-server -J-Xmx1g -J-Xms1g ringo-main.js &