Don't use killall in logrotate script.

Closes: #940229 (Debian)

debian/changelog

@@ -13,6 +13,7 @@ mosquitto (1.6.6-1) unstable; urgency=high
     - CVE awaiting assignment
   * New upstream release.
   * Remove bug-1367.patch.
+  * Don't use killall in mosquitto.logrotate. Closes: #940229.
 
  -- Roger A. Light <roger@atchoo.org>  Tue, 17 Sep 2019 18:41:36 +0100
 

debian/mosquitto.logrotate

@@ -6,7 +6,9 @@
 	nocreate
 	missingok
 	postrotate
-		/usr/bin/killall -HUP mosquitto
+		if invoke-rc.d mosquitto status > /dev/null 2>&1; then \
+			invoke-rc.d mosquitto reload > /dev/null 2>&1; \
+		fi;
 	endscript
 }