sway: Fix template file.
-set $wallpaper "{wallpaper}"
+set $wallpaper {wallpaper}
-set $background "{background}"
-set $foreground "{foreground}"
+set $background {background}
+set $foreground {foreground}
-set $color0 "{color0}"
-set $color1 "{color1}"
-set $color2 "{color2}"
-set $color3 "{color3}"
-set $color4 "{color4}"
-set $color5 "{color5}"
-set $color6 "{color6}"
-set $color7 "{color7}"
-set $color8 "{color8}"
-set $color9 "{color9}"
-set $color10 "{color10}"
-set $color11 "{color11}"
-set $color12 "{color12}"
-set $color13 "{color13}"
-set $color14 "{color14}"
-set $color15 "{color15}"
+set $color0 {color0}
+set $color1 {color1}
+set $color2 {color2}
+set $color3 {color3}
+set $color4 {color4}
+set $color5 {color5}
+set $color6 {color6}
+set $color7 {color7}
+set $color8 {color8}
+set $color9 {color9}
+set $color10 {color10}
+set $color11 {color11}
+set $color12 {color12}
+set $color13 {color13}
+set $color14 {color14}
+set $color15 {color15}
