Don't use EUID var that can already be defined

client/fix_backuppc_linux_sudo.sh

@@ -8,7 +8,7 @@
 SUCCESS=0
 ERROR=1
 DEBUG=1
-EUID=$(id -u)
+USER_ID=$(id -u)
 
 BACKUP_USER_LOGIN="backup"
 SUDOERS_LINE_REGEXP="backuppc.*ALL.*=.*(ALL:ALL).*NOEXEC:NOPASSWD:.*/usr/bin/rsync"
@@ -68,7 +68,7 @@ EOF
 
 # Test permissions [[[
 [ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Check admin rights."
-if [ "${EUID}" -ne "0" ]; then
+if [ "${USER_ID}" -ne "0" ]; then
 	printf '\e[1;31m%-6s\e[m\n' "ERROR : You need to run with SUDO/Admin permissions."
 	exit "${ERROR}"
 fi