Fix string comparison in TERM check

Script was using -eq, which is a numeric comparison, and was producing
an "integer expression expected" error. Changed to =, the string
comparison operator.

bin/org-capture

@@ -31,7 +31,7 @@ shift $((OPTIND-1))
 [ -t 0 ] && str="$*" || str=$(cat)
 
 # Fix incompatible terminals that cause odd 'not a valid terminal' errors
-[ $TERM -eq "alacritty" ] && export TERM=xterm-256color
+[ $TERM = "alacritty" ] && export TERM=xterm-256color
 
 if [ $daemon ]; then
   emacsclient -a "" \