[118880] Fix for DTD->XML generation. An invalid URL was being passed to LazyURLInputStream.

bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDParser.java

diff --git a/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDParser.java b/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDParser.java
index d9bc439..eae2d7b 100644
--- a/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDParser.java
+++ b/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/DTDParser.java
@@ -662,6 +662,10 @@
 		// right before we attempt to open a stream
 		String physicalURI = idResolver.resolvePhysicalLocation(currentDTD.getName(), publicId, logicalURI);
 		result = new InputSource(logicalURI);
+		if(!(physicalURI == null || physicalURI.equals("") || URIHelper.hasProtocol(physicalURI)))
+		{
+		  physicalURI = "file:///" + physicalURI;
+		}
 		result.setByteStream(new LazyURLInputStream(physicalURI));
 		return result;
 	}