CPU [Minix]: Added case instead of setting a local variable

I still don't remember why I made it into a local variable.

neofetch

@@ -741,10 +741,10 @@ get_cpu() {
     # NetBSD emulates the Linux /proc filesystem instead of using sysctl for hw
     # information so we have to use this block below which temporarily sets the
     # OS to "Linux" for the duration of this function.
-    [[ "$distro" == "NetBSD"* || "$os" == "MINIX" ]] && local os="Linux"
+    [[ "$distro" == "NetBSD"* ]] && local os="Linux"
 
     case "$os" in
-        "Linux" | "Windows")
+        "Linux" | "MINIX" | "Windows")
             # Get CPU name.
             case "$distro" in
                 "Android"*) cpu="$(getprop ro.product.board)" ;;