NO-JIRA: fix warnings during assembly build
diff --git a/apache-qpid-proton-j/src/main/assembly/bin.xml b/apache-qpid-proton-j/src/main/assembly/bin.xml
index 997c32b..620f0c9 100644
--- a/apache-qpid-proton-j/src/main/assembly/bin.xml
+++ b/apache-qpid-proton-j/src/main/assembly/bin.xml
@@ -30,7 +30,7 @@
   <fileSets>
     <fileSet>
       <directory>${basedir}/src/main/assembly/</directory>
-      <outputDirectory>/</outputDirectory>
+      <outputDirectory>${file.separator}</outputDirectory>
       <includes>
         <include>NOTICE</include>
         <include>LICENSE</include>
diff --git a/apache-qpid-proton-j/src/main/assembly/src.xml b/apache-qpid-proton-j/src/main/assembly/src.xml
index 639847a..7e7876b 100644
--- a/apache-qpid-proton-j/src/main/assembly/src.xml
+++ b/apache-qpid-proton-j/src/main/assembly/src.xml
@@ -28,7 +28,7 @@
     <!-- main project directory structure -->
     <fileSet>
       <directory>${project.basedir}/..</directory>
-      <outputDirectory>/</outputDirectory>
+      <outputDirectory>${file.separator}</outputDirectory>
       <useDefaultExcludes>true</useDefaultExcludes>
       <excludes>
         <!-- build output -->