increased Teeworlds glibc requirements

lgsm/functions/info_glibc.sh

@@ -81,7 +81,7 @@ elif [ "${gamename}" == "TeamSpeak 3" ]; then
 	glibcrequired="NOT REQUIRED"
 	glibcfix="no"
 elif [ "${gamename}" == "Teeworlds" ]; then
-	glibcrequired="2.3"
+	glibcrequired="2.14"
 	glibcfix="no"
 elif [ "${engine}" == "avalanche" ]; then
 	glibcrequired="2.13"