RSA-PSK key exchange requires TLS 1.x

It's not clear if, with SSL3, one should include send the two length bytes for
EncryptedPreMasterSecret or not, so require TLS to avoid interop issues.
diff --git a/library/ssl_ciphersuites.c b/library/ssl_ciphersuites.c
index 84e8120..b05b8dd 100644
--- a/library/ssl_ciphersuites.c
+++ b/library/ssl_ciphersuites.c
@@ -1444,13 +1444,13 @@
 #if defined(POLARSSL_SHA1_C)
     { TLS_RSA_PSK_WITH_AES_128_CBC_SHA, "TLS-RSA-PSK-WITH-AES-128-CBC-SHA",
       POLARSSL_CIPHER_AES_128_CBC, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_RSA_PSK,
-      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_0,
+      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
       SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
       0 },
 
     { TLS_RSA_PSK_WITH_AES_256_CBC_SHA, "TLS-RSA-PSK-WITH-AES-256-CBC-SHA",
       POLARSSL_CIPHER_AES_256_CBC, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_RSA_PSK,
-      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_0,
+      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
       SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
       0 },
 #endif /* POLARSSL_SHA1_C */
@@ -1500,7 +1500,7 @@
 #if defined(POLARSSL_SHA1_C)
     { TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA, "TLS-RSA-PSK-WITH-3DES-EDE-CBC-SHA",
       POLARSSL_CIPHER_DES_EDE3_CBC, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_RSA_PSK,
-      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_0,
+      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
       SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
       0 },
 #endif /* POLARSSL_SHA1_C */
@@ -1511,7 +1511,7 @@
 #if defined(POLARSSL_SHA1_C)
     { TLS_RSA_PSK_WITH_RC4_128_SHA, "TLS-RSA-PSK-WITH-RC4-128-SHA",
       POLARSSL_CIPHER_ARC4_128, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_RSA_PSK,
-      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_0,
+      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
       SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
       0 },
 #endif /* POLARSSL_SHA1_C */
@@ -1628,7 +1628,7 @@
 #if defined(POLARSSL_SHA1_C)
     { TLS_RSA_PSK_WITH_NULL_SHA, "TLS-RSA-PSK-WITH-NULL-SHA",
       POLARSSL_CIPHER_NULL, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_RSA_PSK,
-      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_0,
+      SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
       SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
       POLARSSL_CIPHERSUITE_WEAK },
 #endif /* POLARSSL_SHA1_C */