enabling workaround for Linux too

Author: Jolanrensen

core/build.gradle.kts

@@ -176,7 +176,7 @@ val installGitPreCommitHook by tasks.creating(Copy::class) {
         fileMode = 755
 
         // Workaround for https://github.com/Kotlin/dataframe/issues/612
-        if (OSType.identify() == OSType.Mac) doLast {
+        if (OSType.identify() in listOf(OSType.Mac, OSType.Linux)) doLast {
             exec {
                 workingDir(gitHooksDir)
                 commandLine("chmod", "755", "pre-commit")