Distro: Get $machine_arch case outside the if statement

So if $os_arch=off, then the machine_arch will still be populated.

neofetch

@@ -221,12 +221,12 @@ get_distro() {
     [[ -z "$distro" ]] && distro="$os (Unknown)"
 
     # Get OS architecture.
-    if [[ "$os_arch" == "on" ]]; then
     case "$os" in
         "Solaris" | "AIX" | "BSD" | "Haiku" | "IRIX") machine_arch="$(uname -p)" ;;
         *) machine_arch="$(uname -m)" ;;
 
     esac
+    if [[ "$os_arch" == "on" ]]; then
         distro+=" ${machine_arch}"
     fi