hw/usb: dev-mtp: Use g_mkdir()

Use g_mkdir() to create a directory on all platforms.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221006151927.2079583-8-bmeng.cn@gmail.com>
Message-Id: <20221027183637.2772968-15-alex.bennee@linaro.org>

hw/usb/dev-mtp.c

@@ -14,7 +14,7 @@
 #include "qemu/error-report.h"
 #include <wchar.h>
 #include <dirent.h>
-
+#include <glib/gstdio.h>
 #include <sys/statvfs.h>
 
 
@@ -1622,7 +1622,7 @@ static void usb_mtp_write_data(MTPState *s, uint32_t handle)
         if (s->dataset.filename) {
             path = g_strdup_printf("%s/%s", parent->path, s->dataset.filename);
             if (s->dataset.format == FMT_ASSOCIATION) {
-                ret = mkdir(path, mask);
+                ret = g_mkdir(path, mask);
                 if (!ret) {
                     usb_mtp_queue_result(s, RES_OK, d->trans, 3,
                                          QEMU_STORAGE_ID,