fixed bad source links in generated kdoc

libraries/docs/apidoc/pom.xml

@@ -28,6 +28,10 @@
         </dependency>
     </dependencies>
 
+    <properties>
+        <project-root>${basedir}/../../../</project-root>
+    </properties>
+
     <build>
         <plugins>
             <plugin>

libraries/tools/kdoc/src/main/kotlin/org/jetbrains/kotlin/doc/model/KotlinModel.kt

@@ -327,6 +327,7 @@ class KModel(var context: BindingContext, val config: KDocConfig) {
             // lets remove the root project directory
             val rootDir = projectRootDir()
             val canonicalFile = File(filePath).getCanonicalPath() ?: ""
+            //println("=========== root dir for filePath: $canonicalFile is $rootDir")
             val relativeFile = if (rootDir != null && canonicalFile.startsWith(rootDir))
                 canonicalFile.substring(rootDir.length()) else canonicalFile
             if (relativeFile != null) {