downdate H2 database to version that supports Java 1.5

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1500492 13f79535-47bb-0310-9956-ffa450edef68

Author: sebbASF

pom.xml

@@ -50,7 +50,8 @@ CSV files of various types.
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>1.3.172</version>
+      <!-- 1.3.172 requires Java 1.6 -->
+      <version>1.3.168</version>
       <scope>test</scope>
     </dependency>
   </dependencies>