acceptMethodReference(): change parameter type char[] -> String

plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/parser/visitors/PythonSourceElementRequestor.java

diff --git a/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/parser/visitors/PythonSourceElementRequestor.java b/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/parser/visitors/PythonSourceElementRequestor.java
index 9f5b669..33ba1ca 100644
--- a/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/parser/visitors/PythonSourceElementRequestor.java
+++ b/plugins/org.eclipse.dltk.python.core/src/org/eclipse/dltk/python/internal/core/parser/visitors/PythonSourceElementRequestor.java
@@ -305,8 +305,8 @@
 				Expression e = ref.getExpression(i);
 				if (ref.isCall(i) && e instanceof VariableReference) {
 					this.fRequestor.acceptMethodReference(
-							((VariableReference) e).getName().toCharArray(), 0,
-							e.sourceStart(), e.sourceEnd());
+							((VariableReference) e).getName(), 0, e
+									.sourceStart(), e.sourceEnd());
 				} else if (e instanceof VariableReference) {
 					this.fRequestor.acceptFieldReference(
 							((VariableReference) e).getName().toCharArray(), e