use command -v instead of type to check for shell functions

command -v is optional in IEEE Std 1003.1, 2004 Edition [1] and required in
IEEE Std 1003.1, 2013 Edition [2]

[1] http://pubs.opengroup.org/onlinepubs/009695399/utilities/command.html
[2] http://pubs.opengroup.org/onlinepubs/9699919799/utilities/command.html

debian/bareos-director.bareos-dir.init.in

@@ -45,7 +45,7 @@ PATH=/sbin:/usr/sbin:/bin:/usr/bin
 . /lib/lsb/init-functions
 
 # workaround, if status_of_proc is not defined (Ubuntu 8.04)
-if ! type status_of_proc >/dev/null; then
+if ! command -v status_of_proc >/dev/null; then
 status_of_proc ()
 {
     local pidfile daemon name status OPTIND

debian/bareos-filedaemon.bareos-fd.init.in

@@ -46,7 +46,7 @@ PATH=/sbin:/usr/sbin:/bin:/usr/bin
 . /lib/lsb/init-functions
 
 # workaround, if status_of_proc is not defined (Ubuntu 8.04)
-if ! type status_of_proc >/dev/null; then
+if ! command -v status_of_proc >/dev/null; then
 status_of_proc ()
 {
     local pidfile daemon name status OPTIND

debian/bareos-storage.bareos-sd.init.in

@@ -43,7 +43,7 @@ PATH=/sbin:/usr/sbin:/bin:/usr/bin
 . /lib/lsb/init-functions
 
 # workaround, if status_of_proc is not defined (Ubuntu 8.04)
-if ! type status_of_proc >/dev/null; then
+if ! command -v status_of_proc >/dev/null; then
 status_of_proc ()
 {
     local pidfile daemon name status OPTIND

scripts/bareos-config-lib.sh.in

@@ -37,7 +37,7 @@ os_type=`uname -s`
 is_function()
 {
     func=${1-}
-    test "$func" && type "$func" > /dev/null 2>&1
+    test "$func" && command -v "$func" > /dev/null 2>&1
     return $?
 }