change return type of IDependent.getFileName() to String

plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/codeassist/PythonAssistParser.java

diff --git a/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/codeassist/PythonAssistParser.java b/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/codeassist/PythonAssistParser.java
index fa4a905..8b5b601 100644
--- a/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/codeassist/PythonAssistParser.java
+++ b/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/codeassist/PythonAssistParser.java
@@ -75,7 +75,7 @@
 	}
 
 	public ModuleDeclaration parse(ISourceModule sourceUnit) {
-		ModuleDeclaration module = this.parser.parse(sourceUnit.getFileName(),
+		ModuleDeclaration module = this.parser.parse(sourceUnit.getFileName().toCharArray(),
 				sourceUnit.getContentsAsCharArray(), null);
 		module.rebuild();