Fix build

build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'com.comphenix.protocol'
-version = '5.2.0-SNAPSHOT'
+version = '5.2.0'
 description = 'Provides access to the Minecraft protocol'
 
 def isSnapshot = version.endsWith('-SNAPSHOT')

src/main/java/com/comphenix/protocol/events/SerializedOfflinePlayer.java

@@ -145,6 +145,16 @@ class SerializedOfflinePlayer implements OfflinePlayer, Serializable {
         return lastSeen;
     }
 
+	@Override
+	public Location getRespawnLocation() {
+		return null;
+	}
+
+	@Override
+	public Location getLocation() {
+		return null;
+	}
+
     // TODO do we need to implement this?
 
     public void incrementStatistic(Statistic statistic) throws IllegalArgumentException {