FpDebug: Fix a crash / endless recursion, if a symbol (watch) is not found while in a finally block.

git-svn-id: trunk@62309 -

components/fpdebug/fpdbgdwarffreepascal.pas

@@ -496,6 +496,7 @@ begin
   end;
 
   if (par_fp <> cur_fp) or (cur_fp = 0) or
+     (i <= 0) or
      not MemManager.ReadRegister(RegPc, pc, SearchCtx)
   then begin
     FOuterNotFound := True;