Spelling is hard

configure.in

@@ -1038,7 +1038,7 @@ if test x$HAVE_OPENSSL = x1; then
 	AC_CHECK_LIB(ssl, SSL_CTX_set_tlsext_use_srtp, AC_DEFINE_UNQUOTED(HAVE_OPENSSL_DTLS_SRTP, 1, HAVE_OPENSSL_DTLS_SRTP), AC_MSG_ERROR([OpenSSL >= 1.0.1e and associaed developement headers required]))
 	AC_CHECK_LIB(ssl, DTLSv1_method, AC_DEFINE_UNQUOTED(HAVE_OPENSSL_DTLS, 1, HAVE_OPENSSL_DTLS), AC_MSG_ERROR([OpenSSL >= 1.0.1e and associaed developement headers required]))
 else
-	AC_MSG_ERROR([OpenSSL >= 1.0.1e and associaed developement headers required])
+	AC_MSG_ERROR([OpenSSL >= 1.0.1e and associated developement headers required])
 fi
 
 AX_CHECK_JAVA