Merge pull request #607 from ascrutae/feature/support-mysql-5.x-plugin

support mysql-5.0.5 driver

apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/skywalking/apm/plugin/jdbc/mysql/define/ConnectionInstrumentation.java

@@ -115,6 +115,6 @@ public class ConnectionInstrumentation extends ClassInstanceMethodsEnhancePlugin
     }
 
     @Override protected ClassMatch enhanceClass() {
-        return byMultiClassMatch(ENHANCE_CLASS, "com.mysql.cj.jdbc.ConnectionImpl");
+        return byMultiClassMatch(ENHANCE_CLASS, "com.mysql.cj.jdbc.ConnectionImpl", "com.mysql.jdbc.Connection");
     }
 }