SEC-2676: Fix data-jc sample's classpath

samples/data-jc/build.gradle

@@ -3,8 +3,8 @@ dependencies {
             project(':spring-security-config'),
             "org.springframework.data:spring-data-jpa:$springDataJpaVersion",
             "org.hibernate.javax.persistence:hibernate-jpa-2.0-api:1.0.0.Final",
+            'org.hibernate:hibernate-entitymanager:3.6.10.Final',
             "org.hsqldb:hsqldb:2.2.8",
             "javax.validation:validation-api:1.0.0.GA",
             "org.hibernate:hibernate-validator:4.2.0.Final"
-
 }