Use a different workaround for Kotlin DSL `buildscript.sourceFile`
Use a different workaround for Kotlin DSL `buildscript.sourceFile`

One that is compatible with the old and new releases until the Gradle
wrapper is updated.

See gradle/kotlin-dsl#736

lsmaira/gradle,blindpirate/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,gradle/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle,lsmaira/gradle,lsmaira/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,blindpirate/gradle,lsmaira/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,lsmaira/gradle,lsmaira/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,robinverduijn/gradle,gradle/gradle,blindpirate/gradle,lsmaira/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,robinverduijn/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,lsmaira/gradle