fix wildcard handling regression( for basic functions like Dir ) fdo#64536

Tweak another fallout from String->OUString

Change-Id: I3932bdb441fe6b08cefa6331870956664ade77bd

basic/source/runtime/methods.cxx

@@ -2619,7 +2619,7 @@ OUString implSetupWildcard( const OUString& rFileParam, SbiRTLData* pRTLData )
 
     // Is there a pure file name left? Otherwise the path is
     // invalid anyway because it was not accepted by OSL before
-    if (string::equals(aPureFileName, '*'))
+    if (!string::equals(aPureFileName, '*'))
     {
         pRTLData->pWildCard = new WildCard( aPureFileName );
     }