fix rubocop complaint

subvertallchris · subvertallchris · commit 9482cd7c0eda · 2015-01-09T17:33:36.000-05:00
diff --git a/lib/neo4j/version.rb b/lib/neo4j/version.rb
@@ -1,3 +1,3 @@
 module Neo4j
-  VERSION = "4.0.0"
+  VERSION = '4.0.0'
 end
