[core] Fix an issue in #981 where the newline was missing after print…

…ing out (#1084)

the command line, thus leaving the YCSB version on the same line.

core/src/main/java/com/yahoo/ycsb/Client.java

@@ -976,6 +976,7 @@ private static Properties parseArguments(String[] args) {
     for (String arg : args) {
       System.err.print(" " + arg);
     }
+    System.err.println();
 
     Properties fileprops = new Properties();
     int argindex = 0;