bmon: bump to version 3.7

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/bmon/bmon.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  62c8c20d00572a7670891d4c112924786cb69ec4ca92d5052951566f000d1514  bmon-3.6.tar.gz
+sha256  a9f3d7010074a3190038a8d95df5d47aaf2046b47d872590336b5f93be084685  bmon-3.7.tar.gz

package/bmon/bmon.mk

@@ -4,9 +4,10 @@
 #
 ################################################################################
 
-BMON_VERSION = 3.6
+BMON_VERSION = 3.7
 BMON_SITE = https://github.com/tgraf/bmon/releases/download/v$(BMON_VERSION)
 BMON_DEPENDENCIES = host-pkgconf libconfuse libnl ncurses
+BMON_CONF_ENV = ac_cv_prog_cc_c99='-std=gnu99'
 BMON_LICENSE = BSD-2c, MIT
 BMON_LICENSE_FILES = LICENSE.BSD LICENSE.MIT