monitor: fix httpd-graceful wrapper script

stack/monitor/buildout.cfg

@@ -71,7 +71,7 @@ md5sum = 5913d2a0096b50537f394a49b762b3e5
 [monitor-template-wrapper]
 <= monitor-template-base
 filename = wrapper.in
-md5sum = 8cde04bfd0c0e9bd56744b988275cfd8
+md5sum = 1695c9a06a2b11ccfe893d7a224e489d
 
 [monitor-conf]
 <= monitor-template-base
@@ -99,7 +99,7 @@ recipe = slapos.recipe.template:jinja2
 filename = template-monitor.cfg
 template = ${:_profile_base_location_}/instance-monitor.cfg.jinja2.in
 rendered = ${buildout:directory}/template-monitor.cfg
-md5sum = b8c804aba89a3938aa00bed914b1729a
+md5sum = eab45fd2b0f017ab97a9c8f466c8dceb
 context =
     key apache_location apache:location
     key gzip_location gzip:location
@@ -173,4 +173,3 @@ url = ${:_profile_base_location_}/make-rss.sh.in
 md5sum = 98c8f6fd81e405b0ad10db07c3776321
 output = ${buildout:directory}/template-make-rss.sh.in
 mode = 0644
-

stack/monitor/instance-monitor.cfg.jinja2.in

@@ -269,6 +269,7 @@ rendered = ${directory:scripts}/monitor-httpd-graceful
 mode = 0700
 context =
     key content :command
+    raw dash_binary {{ dash_executable_location }}
 command = kill -USR1 $(cat ${monitor-httpd-conf-parameter:pid-file})
 
 [monitor-status2rss-wrapper]

stack/monitor/templates/wrapper.in

-#!${dash-output:dash}
+#!{{ dash_binary }}
 {{ content }}
\ No newline at end of file