Code cleanup

Changes requested by wvu-R7

Author: TomSellers

modules/auxiliary/scanner/ssl/openssl_heartbleed.rb

@@ -203,26 +203,26 @@ def jabber_connect_msg(hostname)
   end
 
   def tls_jabber
-    sock.put( jabber_connect_msg(datastore['XMPPDOMAIN']) )
+    sock.put(jabber_connect_msg(datastore['XMPPDOMAIN']))
     res = sock.get
-    if res && res =~ /host-unknown/
+    if res && res.include?('host-unknown')
       jabber_host = res.match(/ from='([\w.]*)' /)
       if jabber_host && jabber_host[1]
         disconnect
         connect
         vprint_status("#{peer} - Connecting with autodetected remote XMPP hostname: #{jabber_host[1]}...")
-        sock.put( jabber_connect_msg(jabber_host[1]) )
+        sock.put(jabber_connect_msg(jabber_host[1]))
         res = sock.get
       end
     end
-    if res.nil? || res =~ /stream:error/ || res !~ /<starttls xmlns=['"]urn:ietf:params:xml:ns:xmpp-tls['"]/
-      vprint_error("#{peer} - Jabber host unknown. Please try changing the XMPPDOMAIN option.") if res && res =~ /<host-unknown/
+    if res.nil? || res.include?('stream:error') || res !~ /<starttls xmlns=['"]urn:ietf:params:xml:ns:xmpp-tls['"]/
+      vprint_error("#{peer} - Jabber host unknown. Please try changing the XMPPDOMAIN option.") if res && res.include?('host-unknown')
       return nil
     end
     msg = "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"
     sock.put(msg)
     res = sock.get
-    return nil if res.nil? || res !~ /<proceed/
+    return nil if res.nil? || !res.include?('<proceed')
     res
   end