Updated core.gradle to include crypto as referenced project in eclipse

core/core.gradle

@@ -50,4 +50,8 @@ ideaModule {
     def cryptoDep = new org.gradle.plugins.ide.idea.model.ModuleDependency('spring-security-crypto', 'COMPILE')
     cryptoDep.exported = true
     module.dependencies.add(cryptoDep)
+}
+
+eclipseProject {
+    referencedProjects.add('spring-security-crypto')
 }