Fixed bug 421160: Make constructor of ParameterGuessingProposal public

Change-Id: I4601abf3c71d72a24e67c81043b9f778ed7006be
Signed-off-by: Marcel Bruch <marcel.bruch@codetrails.com>
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/ParameterGuessingProposal.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/ParameterGuessingProposal.java
index 6b9c707..9e417a5 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/ParameterGuessingProposal.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/ParameterGuessingProposal.java
@@ -94,7 +94,7 @@
 
 	private final CompletionContext fCoreContext;
 
- 	private ParameterGuessingProposal(CompletionProposal proposal, JavaContentAssistInvocationContext context, CompletionContext coreContext, boolean fillBestGuess) {
+ 	public ParameterGuessingProposal(CompletionProposal proposal, JavaContentAssistInvocationContext context, CompletionContext coreContext, boolean fillBestGuess) {
  		super(proposal, context);
 		fCoreContext= coreContext;
 		fFillBestGuess= fillBestGuess;