package/mesa3d: Fix udev dependency check

Sorry for the typo ;)

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/mesa3d/mesa3d.mk

@@ -38,7 +38,7 @@ MESA3D_DEPENDENCIES += libgcrypt
 MESA3D_CONF_OPTS += --with-sha1=libgcrypt
 endif
 
-ifeq ($(BR2_PACKAGE_HAS_LIBUDEV),y)
+ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
 MESA3D_DEPENDENCIES += udev
 MESA3D_CONF_OPTS += --disable-sysfs
 else