ngfd: Avoid a potential buffer overflow detected by GCC 7 in OE rocko

recipes-nemomobile/ngfd/ngfd/0002-ffmemless-Reserve-enough-space-for-sprintf.patch

+From 2a1623c8b8b99fcd29acf8f555521f7bbdcd2df2 Mon Sep 17 00:00:00 2001
+From: Florent Revest <revestflo@gmail.com>
+Date: Sat, 21 Oct 2017 22:13:54 +0200
+Subject: [PATCH] ffmemless: Reserve enough space for sprintf
+
+---
+ src/plugins/ffmemless/ffmemless.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/plugins/ffmemless/ffmemless.c b/src/plugins/ffmemless/ffmemless.c
+index d92af61..fd3cac0 100644
+--- a/src/plugins/ffmemless/ffmemless.c
++++ b/src/plugins/ffmemless/ffmemless.c
+@@ -101,7 +101,7 @@ int ffmemless_evdev_file_search(void)
+ {
+ 	int result, i = 0;
+ 	int fp = 1;
+-	char device_file_name[24];
++	char device_file_name[27];
+ 	unsigned long features[4];
+ 
+ 	/* fail safe stop at 256 devices */
+-- 
+2.14.2
+

recipes-nemomobile/ngfd/ngfd_git.bb

@@ -6,7 +6,8 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=4fbd65380cdd255951079008b364516c"
 SRC_URI = "git://git.merproject.org/mer-core/ngfd.git;protocol=https \
            file://ngfd.ini \
            file://ngfd.service \
-           file://0001-haptics-Always-vibrate-on-calendar-and-clock-events.patch"
+           file://0001-haptics-Always-vibrate-on-calendar-and-clock-events.patch \
+           file://0002-ffmemless-Reserve-enough-space-for-sprintf.patch"
 SRCREV = "fbeea2a48bebd3faaac1ee84a144f797ac9006fc"
 PR = "r1"
 PV = "+git${SRCPV}"