Update buildSrcBuildGradle.rocker.raw

Author: jamesfredley

grails-forge-core/src/main/java/org/grails/forge/feature/build/gradle/templates/buildSrcBuildGradle.rocker.raw

@@ -34,6 +34,7 @@ String grailsVersion
 
 // load the root gradle.properties only for properties not already set
 // (e.g., buildSrc/gradle.properties or by environment variables like ORG_GRADLE_PROJECT_grailsVersion=7.0.0)
+// https://github.com/gradle/gradle/issues/2534
 def props = new Properties()
 file('../gradle.properties').withInputStream { props.load(it) }
 props.each { key, val ->
@@ -67,4 +68,4 @@ dependencies {
 @for (GradleDependency dependency : gradleBuild.getBuildSrcDependencies()) {
     @dependency.toSnippet()
 }
-}
+}