multimedia/kmplayer: fix build against glib 2.68.3

Reported by:	antoine
PR:		256200

multimedia/kmplayer/files/patch-src_npplayer.cpp

+--- src/npplayer.cpp.orig	2021-08-07 16:18:34 UTC
++++ src/npplayer.cpp
+@@ -21,6 +21,7 @@
+ http://devedge-temp.mozilla.org/library/manuals/2002/plugin/1.0/
+ http://dbus.freedesktop.org/doc/dbus/libdbus-tutorial.html
+ */
++#include <glib.h>
+ extern "C" {
+ #include <unistd.h>
+ #include <string.h>
+@@ -32,7 +33,6 @@ extern "C" {
+ #include <fcntl.h>
+ 
+ #include <glib/gprintf.h>
+-#include <glib.h>
+ #include <gdk/gdkx.h>
+ #include <gtk/gtk.h>
+