Support UNC filenames (\\server\path\file) on Windows platforms

PR: 131
Submitted by: wolf.siberski@tui.de


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@267647 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/Project.java

@@ -424,6 +424,8 @@ public class Project {
     public File resolveFile(String fileName) {
         // deal with absolute files
         if (fileName.startsWith("/")) return new File( fileName );
+        if (fileName.startsWith(System.getProperty("file.separator"))) 
+            return new File( fileName );
 
         // Eliminate consecutive slashes after the drive spec
         if (fileName.length() >= 2 &&