Fixes major class version number for generated proxy classes.

CHANGES

@@ -1,5 +1,15 @@
 HikariCP Changes
 
+Changes in 2.3.11
+
+ * Fixed issue with new proxy class generation whereby Java 6 classes were generated
+   with the incorrect major version number.
+
+Changes in 2.3.10
+
+ * Generate proxy classes at build-time instead of runtime.  This removes the runtime
+   dependency on Javassist.
+
 Changes in 2.3.9
 
  * Fixed regression in JMX MBean registration.

hikaricp-common/src/main/java/com/zaxxer/hikari/util/JavassistProxyFactory.java

@@ -43,6 +43,7 @@ import javassist.CtNewMethod;
 import javassist.LoaderClassPath;
 import javassist.Modifier;
 import javassist.NotFoundException;
+import javassist.bytecode.ClassFile;
 
 /**
  * This class generates the proxy objects for {@link Connection}, {@link Statement},
@@ -193,6 +194,7 @@ public final class JavassistProxyFactory
          }
       }
 
+      targetCt.getClassFile().setMajorVersion(ClassFile.JAVA_6);
       targetCt.writeFile(outputPrefix);
    }