Prepare for 3.7.1 RC1.
diff --git a/pom.xml b/pom.xml
index b4065a7..aeaea9e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>commons-net</groupId>
     <artifactId>commons-net</artifactId>
-    <version>3.7.1-SNAPSHOT</version>
+    <version>3.7.1</version>
     <name>Apache Commons Net</name>
     <!-- N.B. the description content is deliberately not indented
      ! to improve the layout of the Release Notes generated by mvn changes:announcement-generate