package/libtracefs: fix license hashes

Commit b1dbd3f679e6660325472e3fdca72127d74e6929 forgot to prepend hashes
of licences files with LICENSES/

Fixes:
 - No autobuilder failures (yet)

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/libtracefs/libtracefs.hash

@@ -1,4 +1,4 @@
 # Locally computed
 sha256  411fcbf3434ecbaefa6c2b1bf092266293a672e2d7ee46fdd6b402753cb8bd16  libtracefs-1.7.0.tar.gz
-sha256  f6b78c087c3ebdf0f3c13415070dd480a3f35d8fc76f3d02180a407c1c812f79  GPL-2.0
-sha256  0b9a4febcdee6de55872501d5c1a8f5d8b0d1650cd4d5351995ceb22e889f8ca  LGPL-2.1
+sha256  f6b78c087c3ebdf0f3c13415070dd480a3f35d8fc76f3d02180a407c1c812f79  LICENSES/GPL-2.0
+sha256  0b9a4febcdee6de55872501d5c1a8f5d8b0d1650cd4d5351995ceb22e889f8ca  LICENSES/LGPL-2.1