master Minor syntax error

spring/setup.py

@@ -6,7 +6,7 @@ import os
 def start(args, logfile, errfile):
   try:
     subprocess.check_call("mvn clean package", shell=True, cwd="spring", stderr=errfile, stdout=logfile)
-    subprocess.Popen("java -Ddatabase.host=" + args.database_host + " -jar spring.jar".rsplit(" "), cwd="spring/target", stderr=errfile, stdout=logfile)
+    subprocess.Popen(("java -Ddatabase.host=" + args.database_host + " -jar spring.jar").rsplit(" "), cwd="spring/target", stderr=errfile, stdout=logfile)
     return 0
   except subprocess.CalledProcessError:
     return 1