improved refresh_rate fix, now actually works on OS X...

neofetch

@@ -1538,8 +1538,15 @@ getresolution () {
                     awk '/Resolution:/ {printf $2"x"$4" @ "$6"Hz, "}')"
             fi
 
-            [ "$refresh_rate" == "off" ] || [ "${resolution// * @ }" == "0Hz" ] && \
-                resolution="${resolution// @ *[0-9]Hz}"
+            if [ "$refresh_rate" == "off" ] || [ "${resolution// * @ }" == "0Hz" ]; then 
+                IFS=","
+                for res in $resolution; do
+                    res="${res// @ *[0-9]Hz}"
+                    newres="$newres, $res"
+                done
+                unset IFS
+                resolution="${newres:2}"
+            fi
         ;;
 
         "Windows")