package/stress-ng: bump to 0.06.15

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/stress-ng/stress-ng.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256	7af9759a37902ebf401f92fedeada0b82bcd1e3f4e9e10130177344f143470eb	stress-ng-0.06.02.tar.gz
+sha256	0e1d7733b35f594f7461dedbf836bd4966d0611da4cd4e85cde4804d2a425e6d	stress-ng-0.06.15.tar.gz

package/stress-ng/stress-ng.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-STRESS_NG_VERSION = 0.06.02
+STRESS_NG_VERSION = 0.06.15
 STRESS_NG_SITE = http://kernel.ubuntu.com/~cking/tarballs/stress-ng
 STRESS_NG_LICENSE = GPLv2+
 STRESS_NG_LICENSE_FILES = COPYING