HTRACE-256 Change the artifactId for htrace-core in branch 4.0 to be htrace-core4
diff --git a/htrace-core/pom.xml b/htrace-core/pom.xml
index 1e0146b..81f2f87 100644
--- a/htrace-core/pom.xml
+++ b/htrace-core/pom.xml
@@ -12,7 +12,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
-  <artifactId>htrace-core</artifactId>
+  <artifactId>htrace-core4</artifactId>
   <packaging>jar</packaging>
 
   <parent>