Fix build failure.

Author: DarkDimius

project/Build.scala

@@ -416,7 +416,7 @@ object Build {
           s"""version.number=${version.value}
              |maven.version.number=${version.value}
              |git.hash=${VersionUtil.gitHash}
-             |osgi.version.number=${version.value}-v${dateFormat.format(Calendar.getInstance().getTime)v}
+             |osgi.version.number=${version.value}-v${dateFormat.format(Calendar.getInstance().getTime)}
              |copyright.string=Copyright 2002-${Calendar.getInstance().get(Calendar.YEAR)}, LAMP/EPFL
            """.stripMargin