Ensure that even if a close statement fails during connection close that we continue to try to close additional statements.

core/src/main/java/com/zaxxer/hikari/proxy/ConnectionProxy.java

@@ -178,9 +178,16 @@ public abstract class ConnectionProxy implements IHikariConnectionProxy
                 // Faster than an iterator most times
                 final int length = openStatements.size();
                 for (int i = 0; i < length; i++)
+                {
+                    try
                     {
                         openStatements.get(i).close();
                     }
+                    catch (SQLException e)
+                    {
+                        checkException(e);
+                    }
+                }
 
                 if (!getAutoCommit())
                 {