buildroot

package/lttng-babeltrace: fix static build

This change adds a patch fixing libuuid detection on static build.

Fixes:
  http://autobuild.buildroot.net/results/43b/43b98ddf9eb44152ed9ac4a98d887af14831d8da/

[Peter: add comment why autoreconf is needed]
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>