wireshark: fix libgtk2 dependency typo

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/wireshark/wireshark.mk

@@ -32,7 +32,7 @@ WIRESHARK_CONF_OPTS += --with-gtk=3
 WIRESHARK_DEPENDENCIES += libgtk3
 else ifeq ($(BR2_PACKAGE_LIBGTK2),y)
 WIRESHARK_CONF_OPTS += --with-gtk=2
-WIRESHARK_DEPENDECIES += libgtk2
+WIRESHARK_DEPENDENCIES += libgtk2
 else
 WIRESHARK_CONF_OPTS += --with-gtk=no
 endif