Fixed some maven warnings

git-svn-id: https://svn.apache.org/repos/asf/mina/ftpserver/trunk@1005889 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/core/pom.xml b/core/pom.xml
index 4ebb56c..aee4e09 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -65,7 +65,7 @@
 				<extensions>true</extensions>
 				<configuration>
 					<instructions>
-						<Bundle-SymbolicName> ${artifactId}</Bundle-SymbolicName>
+						<Bundle-SymbolicName> ${project.artifactId}</Bundle-SymbolicName>
 						<Bundle-Vendor>The Apache Software Foundation</Bundle-Vendor>
 						<Export-Package> org.apache.ftpserver;version=${project.version},
 							org.apache.ftpserver.command;version=${project.version},
diff --git a/examples/ftpserver-osgi-ftplet-service/pom.xml b/examples/ftpserver-osgi-ftplet-service/pom.xml
index 33aa223..744139b 100644
--- a/examples/ftpserver-osgi-ftplet-service/pom.xml
+++ b/examples/ftpserver-osgi-ftplet-service/pom.xml
@@ -52,7 +52,7 @@
 				<extensions>true</extensions>
 				<configuration>
 					<instructions>
-						<Bundle-SymbolicName> ${artifactId}</Bundle-SymbolicName>
+						<Bundle-SymbolicName> ${project.artifactId}</Bundle-SymbolicName>
 						<Bundle-Vendor>The Apache Software Foundation</Bundle-Vendor>
 						<Export-Package> org.apache.ftpserver.example.ftpletservice</Export-Package>
 						<Private-Package> org.apache.ftpserver.example.ftpletservice.impl</Private-Package>
diff --git a/examples/ftpserver-osgi-spring-service/pom.xml b/examples/ftpserver-osgi-spring-service/pom.xml
index 7dce13f..ac09959 100644
--- a/examples/ftpserver-osgi-spring-service/pom.xml
+++ b/examples/ftpserver-osgi-spring-service/pom.xml
@@ -46,7 +46,7 @@
 				<extensions>true</extensions>
 				<configuration>
 					<instructions>
-						<Bundle-SymbolicName> ${artifactId}</Bundle-SymbolicName>
+						<Bundle-SymbolicName> ${project.artifactId}</Bundle-SymbolicName>
 						<Bundle-Vendor>The Apache Software Foundation</Bundle-Vendor>
 						<Export-Package> org.apache.ftpserver.example.osgiservice</Export-Package>
 						<Private-Package>org.apache.ftpserver.example.osgiservice.impl</Private-Package>
diff --git a/ftplet-api/pom.xml b/ftplet-api/pom.xml
index 407c578..c460b2d 100644
--- a/ftplet-api/pom.xml
+++ b/ftplet-api/pom.xml
@@ -53,7 +53,7 @@
 				<extensions>true</extensions>
 				<configuration>
 					<instructions>
-						<Bundle-SymbolicName> ${artifactId}</Bundle-SymbolicName>
+						<Bundle-SymbolicName> ${project.artifactId}</Bundle-SymbolicName>
 						<Bundle-Vendor>The Apache Software Foundation</Bundle-Vendor>
 						<Export-Package> org.apache.ftpserver.ftplet;version=${project.version}</Export-Package>
 					</instructions>