wpa_supplicant: fix build with new libnl-3

The CFLAGS have to be augmented for the include dir and a small patch
will make the binary link to libnl-3 and libnl-genl-3 instead of libnl
and libnl-gen.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/wpa_supplicant/wpa_supplicant-0.7.3-libnl-3.patch

@@ -0,0 +1,15 @@
+--- a/src/drivers/drivers.mak	2011-11-29 19:19:56.684221050 +0100
++++ b/src/drivers/drivers.mak	2011-11-29 19:20:12.199609246 +0100
+@@ -31,10 +31,10 @@
+ NEED_AP_MLME=y
+ NEED_NETLINK=y
+ NEED_LINUX_IOCTL=y
+-DRV_LIBS += -lnl
++DRV_LIBS += -lnl-3
+ 
+ ifdef CONFIG_LIBNL20
+-DRV_LIBS += -lnl-genl
++DRV_LIBS += -lnl-genl-3
+ DRV_CFLAGS += -DCONFIG_LIBNL20
+ endif
+ endif

package/wpa_supplicant/wpa_supplicant.mk

@@ -66,7 +66,7 @@ endif
 
 define WPA_SUPPLICANT_CONFIGURE_CMDS
 	cp $(@D)/wpa_supplicant/defconfig $(WPA_SUPPLICANT_CONFIG)
-	echo "CFLAGS += $(TARGET_CFLAGS)" >>$(WPA_SUPPLICANT_CONFIG)
+	echo "CFLAGS += $(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include/libnl3/" >>$(WPA_SUPPLICANT_CONFIG)
 	echo "LDFLAGS += $(TARGET_LDFLAGS)" >>$(WPA_SUPPLICANT_CONFIG)
 	echo "CC = $(TARGET_CC)" >>$(WPA_SUPPLICANT_CONFIG)
 	$(SED) "s/^#CONFIG_IEEE80211R/CONFIG_IEEE80211R/" $(WPA_SUPPLICANT_CONFIG)