svn: Compare "java.io.File" files with "FileUtil.filesEqual()"

plugins/svn4idea/src/org/jetbrains/idea/svn/WorkingCopy.kt

@@ -1,8 +1,9 @@
 // Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.jetbrains.idea.svn
 
+import com.intellij.openapi.util.io.FileUtil.fileHashCode
+import com.intellij.openapi.util.io.FileUtil.filesEqual
 import org.jetbrains.idea.svn.api.Url
-
 import java.io.File
 
 // TODO: is17Copy is currently true in all constructor usages - remove this field and revise is17Copy() usages
@@ -11,8 +12,8 @@ class WorkingCopy(val file: File, val url: Url, val is17Copy: Boolean) {
     if (this === other) return true
     if (other !is WorkingCopy) return false
 
-    return file == other.file
+    return filesEqual(file, other.file)
   }
 
-  override fun hashCode() = file.hashCode()
+  override fun hashCode() = fileHashCode(file)
 }