support alternate architectures and improve error println

install.sh

@@ -96,11 +96,12 @@ chmod +x "$PAM_WSL_HELLO_WINPATH/WindowsHelloBridge.exe"
 
 set +x
 echo_stage "Installing PAM module to the Linux system..."
-SECURITY_PATH="/lib/x86_64-linux-gnu/security" 
+ARCH="$(uname -m)"
+SECURITY_PATH="/lib/$ARCH-linux-gnu/security"
 if ! check_pam_directory "${SECURITY_PATH}"; then
-  echo "PAM directory was not found in '/lib/x86_64-linux-gnu/security/'. It looks like you're not running Ubuntu nor Debian."
+  echo "PAM directory was not found in '$SECURITY_PATH'. It looks like you're not running Ubuntu nor Debian."
   echo "Checking '/lib/security/'..."
-  SECURITY_PATH="/lib/security" 
+  SECURITY_PATH="/lib/security"
   while ! check_pam_directory "${SECURITY_PATH}"; do
     echo "PAM module directory was not found in '${SECURITY_PATH}'."
     echo "Please input the path of the PAM module's directory."

win_hello_bridge/src/main.rs

@@ -75,7 +75,11 @@ fn main() {
     };
 
     if let Err(e) = result() {
-        println!("Error: {}", e);
+        if let FailureReason::Other(e) = e {
+            println!("Error: {}", e.message());
+        } else {
+            println!("Error: {}", e);
+        }
 
         if prompt_to_exit {
             println!("Hit Enter key to terminate...");