theme/powerline-multiline: `shfmt`

themes/powerline-multiline/powerline-multiline.base.bash

@@ -1,11 +1,15 @@
-. "$BASH_IT/themes/powerline/powerline.base.bash"
+# shellcheck shell=bash
+# shellcheck disable=SC2034 # Expected behavior for themes.
+# shellcheck source-path=SCRIPTDIR/../powerline
+source "${BASH_IT?}/themes/powerline/powerline.base.bash"
 
 function __powerline_last_status_prompt {
 	[[ "$1" -ne 0 ]] && echo "$(set_color ${LAST_STATUS_THEME_PROMPT_COLOR} -) ${1} ${normal}"
 }
 
 function __powerline_right_segment {
-  local OLD_IFS="${IFS}"; IFS="|"
+	local OLD_IFS="${IFS}"
+	IFS="|"
 	local params=($1)
 	IFS="${OLD_IFS}"
 	local padding=0