vim: adjust sh template

etc/soft/nvim/template/sh.vim

@@ -27,7 +27,7 @@ function stacktrace() {
 }
 
 function die() {
-	echo "$@" >&2
+	echo -e "$@" >&2
 	exit 1
 }
 
@@ -36,6 +36,6 @@ function die() {
 DEPENDENCIES=()
 
 for dependency in "${DEPENDENCIES[@]}"; do
-	command -V "$dependency" 2>&- || die "ERROR: The required '$dependency' command is not found."
+	command -V "$dependency" >&- 2>&1 || die "ERROR: The required '$dependency' command is not found."
 done