Use latest plexus-interpolation release


git-svn-id: https://svn.apache.org/repos/asf/geronimo/gshell/trunk@747701 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/gshell-support/gshell-interpolation/pom.xml b/gshell-support/gshell-interpolation/pom.xml
index 0d9abdb..4997a23 100644
--- a/gshell-support/gshell-interpolation/pom.xml
+++ b/gshell-support/gshell-interpolation/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-interpolation</artifactId>
-            <version>1.6</version>
+            <version>1.8.1</version>
         </dependency>
         
         <dependency>