package/libvirt: fix typo in init script comment

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 6599d68a66a242cfae9d484da2f7fdaa50c3aa31)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libvirt/S92libvirtd

@@ -47,7 +47,7 @@ load_modules() {
 }
 
 #
-# If libvirtd dies it leves behind one stale dnsmasq per virtual network that
+# If libvirtd dies it leaves behind one stale dnsmasq per virtual network that
 # must be killed before starting libvirtd again.
 #
 rm_stale_dnsmasq() {