term_font: Add missing substitution.

neofetch

@@ -1974,6 +1974,7 @@ get_term_font() {
         "urxvt" | "urxvtd" | "rxvt-unicode" | "xterm")
             term_font="$(grep -i "${term/d}\*\.*font" < <(xrdb -query))"
             term_font="${term_font/*"*font:"}"
+            term_font="${term_font/*".font:"}"
             term_font="${term_font/*"*.font:"}"
             term_font="$(trim "$term_font")"