fix(falco): parameter ordering in initialization

Signed-off-by: Luca Guerra <luca@guerra.sh>

userspace/falco/app_cmdline_options.cpp

@@ -29,8 +29,8 @@ namespace app {
 // initialize their linked variables.
 cmdline_options::cmdline_options()
 	: event_buffer_format(sinsp_evt::PF_NORMAL),
-	  list_plugins(false),
 	  gvisor_config(""),	
+	  list_plugins(false),
 	  m_cmdline_opts("falco", "Falco - Cloud Native Runtime Security")
 {
 	define();