mediastreamer: add missing host-gettext dependencies and other fixes

Fixes:
http://autobuild.buildroot.org/results/5e6c465c56f85a3017900613facc6e54c85d32da/build-end.log.

While we're at it, add the usual comment header block at the beginning
of the file, as well as licensing informations.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/mediastreamer/mediastreamer.mk

@@ -1,9 +1,17 @@
+#############################################################
+#
+# mediastreamer
+#
+#############################################################
+
 MEDIASTREAMER_VERSION = 2.8.2
 MEDIASTREAMER_SITE = http://download.savannah.nongnu.org/releases/linphone/mediastreamer
 MEDIASTREAMER_INSTALL_STAGING = YES
-MEDIASTREAMER_DEPENDENCIES = host-intltool host-pkgconf ortp
+MEDIASTREAMER_DEPENDENCIES = host-intltool host-pkgconf ortp host-gettext
 # tests fail linking on some architectures, so disable them
 MEDIASTREAMER_CONF_OPT = --disable-tests
+MEDIASTREAMER_LICENSE = GPLv2+
+MEDIASTREAMER_LICENSE_FILES = COPYING
 
 ifeq ($(BR2_PACKAGE_ALSA_LIB_MIXER)$(BR2_PACKAGE_ALSA_LIB_PCM),yy)
 MEDIASTREAMER_CONF_OPT += --enable-alsa