FIX: shell execute parameters

Author: TheNicker

src/umaincommands.pas

@@ -1404,7 +1404,7 @@ procedure TMainCommands.cm_ShellExecute(const Params: array of string);
 begin
   if Length(Params) > 0 then
     with frmMain do
-    ShellExecute(PrepareParameter(Params[0]))
+    ExecCmdFork(PrepareParameter(Params[0]))
   else
     with frmMain.ActiveFrame do
     begin