pom.xml(mysql-connector-java): update to 5.1.40

See http://dev.mysql.com/doc/relnotes/connector-j/5.1/en/news-5-1-40.html

No functional changes.

Author: php-coder

pom.xml

@@ -420,7 +420,7 @@
 		<minify.plugin.version>1.7.4</minify.plugin.version>
 
 		<!-- Redefine default value from spring-boot-dependencies (https://github.com/spring-projects/spring-boot/blob/v1.4.2.RELEASE/spring-boot-dependencies/pom.xml) -->
-		<mysql.version>5.1.39</mysql.version>
+		<mysql.version>5.1.40</mysql.version>
 
 		<native2ascii.plugin.version>1.0-beta-1</native2ascii.plugin.version>
 		<pmd.plugin.version>3.6</pmd.plugin.version>