Don't assume it has been the build file if the parser throws a

FileNotFoundException. Could be an external entity or a DTD file as
well.

Submitted by:	Scotte Zinn <szinn@patronix.com>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268064 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -127,7 +127,7 @@ public class ProjectHelper {
             throw new BuildException(exc.getMessage(), t);
         }
         catch(FileNotFoundException exc) {
-            throw new BuildException("File \"" + buildFile.toString() + "\" not found");
+            throw new BuildException(exc);
         }
         catch(IOException exc) {
             throw new BuildException("Error reading project file", exc);