lttng-tools: bump to version 2.7.0

0001-Fix-Mark-MI-and-Config-string-declarations-as-extern.patch
is gone with commit 4965f956f3ef47388fb4a1b2f8f504abfe31afe7.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lttng-tools/lttng-tools.hash

@@ -1,2 +1,2 @@
 # Locally generated
-sha256  128166445126d76da7d9f42a56dec12716732a1ed697a6cfdf40c9e135384f32  lttng-tools-2.6.0.tar.bz2
+sha256  261d1b60ef0f451be42df70f019b24fda9130372e326e7bdba3e3ffab7ca0c40  lttng-tools-2.7.0.tar.bz2

package/lttng-tools/lttng-tools.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LTTNG_TOOLS_VERSION = 2.6.0
+LTTNG_TOOLS_VERSION = 2.7.0
 LTTNG_TOOLS_SITE = http://lttng.org/files/lttng-tools
 LTTNG_TOOLS_SOURCE = lttng-tools-$(LTTNG_TOOLS_VERSION).tar.bz2
 LTTNG_TOOLS_LICENSE = GPLv2+; LGPLv2.1+ for include/lttng/* and src/lib/lttng-ctl/*