Memory: Fixed inaccurate memory in Solaris

neofetch

@@ -1181,7 +1181,7 @@ get_memory() {
 
         "Solaris")
             mem_total="$(prtconf | awk '/Memory/ {print $3}')"
-            mem_free="$(($(sar -r 1 1 | awk 'NR==5 {print $2}') / 1024))"
+            mem_free="$(($(vmstat | awk 'NR==3{printf $5}') / 1024))"
             mem_used="$((mem_total - mem_free))"
         ;;