Upgrade to Spring LDAP 3.2.15.

Closes: #578

Author: christophstrobl

pom.xml

@@ -18,7 +18,7 @@
 	</parent>
 
 	<properties>
-		<spring-ldap>3.2.14</spring-ldap>
+		<spring-ldap>3.2.15</spring-ldap>
 		<springdata.commons>3.4.11-SNAPSHOT</springdata.commons>
 		<java-module-name>spring.data.ldap</java-module-name>
 	</properties>