Fixed #1977 AS3 Find usages - class and function usages, various fixes

libsrc/ffdec_lib/testdata/as3_new/src/Main.as

@@ -8,6 +8,7 @@ package
     import tests_classes.mypackage3.SetupMyPackage3;
     import tests_classes.*;
     import tests_edit.*;
+    import tests_uses.TestOtherClass;
     
     /**
      * ...
@@ -138,6 +139,8 @@ package
         
         TestModifiers;
         
+        TestOtherClass;
+        
         public function Main()
         {
             if (stage) init();