Bug #168355 --> add capability of setting an array of search terms on a filter

r=navin
sr=bienvenu

mailnews/base/search/public/nsIMsgFilter.idl

@@ -77,8 +77,7 @@ interface nsIMsgFilter : nsISupports {
 
     nsIMsgSearchTerm createTerm();
 
-    // this is the actual array of search terms, and is thus modifyable
-    readonly attribute nsISupportsArray searchTerms;
+    attribute nsISupportsArray searchTerms;
 
     attribute nsIMsgSearchScopeTerm scope;