debian/cephadm.postinst: replace tab with spaces

for better readability, and to be more consistent with the rest
of this file, and other .postinst scripts of this project.

Signed-off-by: Kefu Chai <[email protected]>

Author: tchaikov

debian/cephadm.postinst

@@ -43,19 +43,19 @@ case "$1" in
 
        # set up (initially empty) .ssh/authorized_keys file
        if ! test -d /home/cephadm/.ssh; then
-	   mkdir /home/cephadm/.ssh
-	   chown --reference /home/cephadm /home/cephadm/.ssh
-	   chmod 0700 /home/cephadm/.ssh
+           mkdir /home/cephadm/.ssh
+           chown --reference /home/cephadm /home/cephadm/.ssh
+           chmod 0700 /home/cephadm/.ssh
        fi
        if ! test -e /home/cephadm/.ssh/authorized_keys; then
-	   touch /home/cephadm/.ssh/authorized_keys
-	   chown --reference /home/cephadm /home/cephadm/.ssh/authorized_keys
-	   chmod 0600 /home/cephadm/.ssh/authorized_keys
+           touch /home/cephadm/.ssh/authorized_keys
+           chown --reference /home/cephadm /home/cephadm/.ssh/authorized_keys
+           chmod 0600 /home/cephadm/.ssh/authorized_keys
        fi
 
     ;;
     abort-upgrade|abort-remove|abort-deconfigure)
-	:
+       :
     ;;
 
     *)