fix u file search

Run.sh

@@ -43,7 +43,7 @@ function del_ServerActors() {
 	del_iniKey 'XC_Engine.XC_GameEngine' ServerActors $1
 }
 function getmodprefix() {
-	UFile=$(find $OUTPUT_DIR/System -type f -iname "UTChat*.u"  -exec basename {} \;)
+	UFile=$(find $OUTPUT_DIR/System -type f -iname "sbn*.u"  -exec basename {} \;)
 	BaseName="${UFile%.*}"
 	echo "$BaseName"
 }