Bug 552039 - Models with blanks in the name are not open properly.

Change-Id: I16cb171c818400b8217d65422aeee07d4afae80f
diff --git a/plugins/org.eclipse.gendoc.bundle.acceleo.papyrus/src/org/eclipse/gendoc/bundle/acceleo/papyrus/service/PapyrusContextService.java b/plugins/org.eclipse.gendoc.bundle.acceleo.papyrus/src/org/eclipse/gendoc/bundle/acceleo/papyrus/service/PapyrusContextService.java
index 634cadd..13a1bc1 100644
--- a/plugins/org.eclipse.gendoc.bundle.acceleo.papyrus/src/org/eclipse/gendoc/bundle/acceleo/papyrus/service/PapyrusContextService.java
+++ b/plugins/org.eclipse.gendoc.bundle.acceleo.papyrus/src/org/eclipse/gendoc/bundle/acceleo/papyrus/service/PapyrusContextService.java
@@ -52,7 +52,7 @@
         		GendocServices.getDefault().setService(IEMFModelLoaderService.class, emfService);
         	}
         }
-        modelPath = URI.createURI(modelPath, true).toString();
+        modelPath = URI.decode(URI.createURI(modelPath, true).toString());
         super.setModel(modelPath);
     }