Fix SNAPSHOT version string

Change-Id: I090c1998e5a117c10263b7a6abbffc624beb4074
diff --git a/providers/null/pom.xml b/providers/null/pom.xml
index 0cd4bc6..7490d37 100644
--- a/providers/null/pom.xml
+++ b/providers/null/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-providers</artifactId>
-        <version>1.11-SNAPSHOT</version>
+        <version>1.11.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>onos-null-provider</artifactId>