linphone: Disable building with -Werror

Pass --disable-strict to avoid having -Werror in CFLAGS.
Having -Werror in CFLAGS can lead to build problems depending
on the gcc version that is being used and it should not be used
in released code.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/linphone/linphone.mk

@@ -8,7 +8,8 @@ LINPHONE_VERSION = 3.5.2
 LINPHONE_SITE = http://download-mirror.savannah.gnu.org/releases/linphone/3.5.x/sources/
 LINPHONE_CONF_OPT = \
 	--enable-external-ortp \
-	--enable-external-mediastreamer
+	--enable-external-mediastreamer \
+	--disable-strict
 
 LINPHONE_DEPENDENCIES = host-pkgconf ortp mediastreamer libeXosip2 speex