--- widelands-build17-src/src/io/dedicated_log.cc.orig	2012-06-01 23:40:41.870348231 +0400
+++ widelands-build17-src/src/io/dedicated_log.cc	2012-06-01 23:42:03.716344829 +0400
@@ -78,7 +78,7 @@
 	temp += c.sender.empty() ? "SYSTEM" : c.sender;
 	temp += "</td><td class=\"recipient\"> ->" + c.recipient + "</td><td class=\"message\">";
 	temp += c.msg + "</td></tr>\n";
-	m_chat.Printf(temp.c_str());
+	m_chat.Printf("%s",temp.c_str());
 	m_chat.WriteAppend(*root, m_chat_file_path.c_str());
 }
 
@@ -185,7 +185,7 @@
 		}
 	}
 	temp += "</table>\n";
-	m_chat.Printf(temp.c_str());
+	m_chat.Printf("%s", temp.c_str());
 	m_chat.Write(*root, m_info_file_path.c_str());
 }
 
@@ -197,7 +197,7 @@
 	std::string temp("<tr><td class=\"log\">");
 	temp += msg;
 	temp += "</td></tr>\n";
-	m_chat.Printf(temp.c_str());
+	m_chat.Printf("%s", temp.c_str());
 	m_chat.WriteAppend(*root, m_log_file_path.c_str());
 }
 
--- widelands-build17-src/src/network/internet_gaming.cc.orig	2012-06-01 23:53:57.475314766 +0400
+++ widelands-build17-src/src/network/internet_gaming.cc	2012-06-01 23:56:16.960308823 +0400
@@ -364,7 +364,7 @@
 			throw warning
 				(_
 				 	("Expected a LOGIN, RELOGIN or REJECTED packet from server, but received command "
-				 	 "%s. Maybe the metaserver is using a different protocol version ?"),
+				 	 "%s. Maybe the metaserver is using a different protocol version ?"),"%s",
 				 cmd.c_str());
 		}
 	}
@@ -403,7 +403,7 @@
 			std::string type     = packet.String();
 
 			if (type != "public" && type != "private" && type != "system")
-				throw warning("Invalid chat message type \"%s\".", type.c_str());
+				throw warning("Invalid chat message type \"%s\".", "%s", type.c_str());
 
 			bool        personal = type == "private";
 			bool        system   = type == "system";
@@ -708,7 +708,7 @@
  */
 bool InternetGaming::str2bool(std::string str) {
 	if ((str != "true") && (str != "false"))
-		throw warning("Conversion from std::string to bool failed. String was \"%s\"", str.c_str());
+		throw warning("Conversion from std::string to bool failed. String was \"%s\"", "%s", str.c_str());
 	return str == "true";
 }