Fix build.gradle

Signed-off-by: yoyosource <yoyosource@nidido.de>

build.gradle

@@ -46,7 +46,7 @@ if (file("steamwar.properties").exists()) {
 
 ext {
     buildName = 'BauSystem2.0'
-    artifactName = 'bausystem'
+    artifactName = 'bausystem2'
 
     uberJarName = "${buildName}-all.jar"
     jarName = "${artifactName}.jar"