Fix path with spaces in eval

ccollect

@@ -79,7 +79,7 @@ lock_flock()
     # $1 = source to backup
     # shellcheck disable=SC2059
     lockfile="${LOCKDIR}/$(printf "${LOCKFILE_PATTERN}" "$1")"
-    eval "exec ${LOCKFD}> ${lockfile}"
+    eval "exec ${LOCKFD}> '${lockfile}'"
 
     flock -n ${LOCKFD} && return 0 || return 1
 }
@@ -469,7 +469,7 @@ fi
 if [ "${PARALLEL}" ]; then
     mkfifo "${CONTROL_PIPE}"
     # fd 5 is tied to control pipe
-    eval "exec 5<>${CONTROL_PIPE}"
+    eval "exec 5<>'${CONTROL_PIPE}'"
     TRAPFUNC="${TRAPFUNC}; rm -f \"${CONTROL_PIPE}\""
     # shellcheck disable=SC2064
     trap "${TRAPFUNC}" 0 1 2 15