Fix a typo: kyro2 -> kryo2

Bug found by: Bob Lantz
diff --git a/kryo2/pom.xml b/kryo2/pom.xml
index 1beb87d..788f952 100644
--- a/kryo2/pom.xml
+++ b/kryo2/pom.xml
@@ -7,7 +7,7 @@
   <version>2.22</version>
   <packaging>jar</packaging>
 
-  <name>kyro2</name>
+  <name>kryo2</name>
   <url>http://maven.apache.org</url>
 
   <properties>