ntp: Disable debugging by default

There is a problem in configure.ac file that whether or not
'--enable-debugging' is specified in configure cmdline, debugging
is always enabled.
We should disable ntp debugging by default.

Signed-off-by: Xufeng Zhang <xufeng.zhang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-networking/recipes-support/ntp/files/ntp-disable-debugging.patch

@@ -0,0 +1,23 @@
+set ntp_ok to no if ntp debugging is not enabled.
+
+Upstream-status: Pending
+
+There is a problem in configure.ac file that whether or not
+'--enable-debugging' is specified in configure cmdline, debugging
+is always enabled.
+We should disable ntp debugging by default.
+
+Signed-off-by: Xufeng Zhang <xufeng.zhang@windriver.com>
+
+---
+--- a/configure.ac
++++ b/configure.ac
+@@ -2458,7 +2458,7 @@
+         [+ include ntpd debugging code]
+     )],
+     [ntp_ok=$enableval],
+-    [ntp_ok=yes]
++    [ntp_ok=no]
+ )
+ case "$ntp_ok" in
+  yes)

meta-networking/recipes-support/ntp/ntp.inc

@@ -23,6 +23,7 @@ SRC_URI = "http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-${PV}.tar.g
            file://sntp.service \
            file://sntp \
            file://ntpd.list \
+           file://ntp-disable-debugging.patch \
 "
 
 inherit autotools update-rc.d useradd systemd