gst1-plugins-base: bump version

And add tarball hash from release announcement.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gstreamer1/gst1-plugins-base/gst1-plugins-base.hash

@@ -0,0 +1,2 @@
+# From http://lists.freedesktop.org/archives/gstreamer-announce/2014-September/000329.html
+sha256	f7b4d2b3ba2bcac485896e2c1c36459cb091ebe8b49e91635c27d40f66792d9d	gst-plugins-base-1.4.3.tar.xz

package/gstreamer1/gst1-plugins-base/gst1-plugins-base.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GST1_PLUGINS_BASE_VERSION = 1.4.1
+GST1_PLUGINS_BASE_VERSION = 1.4.3
 GST1_PLUGINS_BASE_SOURCE = gst-plugins-base-$(GST1_PLUGINS_BASE_VERSION).tar.xz
 GST1_PLUGINS_BASE_SITE = http://gstreamer.freedesktop.org/src/gst-plugins-base
 GST1_PLUGINS_BASE_INSTALL_STAGING = YES