Shift errors
Move errors from pk.h so that they have a gap for the current development error codes
diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index 0396ea8..c92e10a 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -66,9 +66,9 @@
#define MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE -0x3A00 /**< Elliptic curve is unsupported (only NIST curves are supported). */
#define MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE -0x3980 /**< Unavailable feature, e.g. RSA disabled for RSA key. */
#define MBEDTLS_ERR_PK_SIG_LEN_MISMATCH -0x3900 /**< The signature is valid but its length is less than expected. */
-#define MBEDTLS_ERR_PK_INVALID_SIGNATURE -0x3880 /**< Invalid signature */
-#define MBEDTLS_ERR_PK_BUFFER_TOO_SMALL -0x3800 /**< Output buffer too small */
-#define MBEDTLS_ERR_PK_NOT_PERMITTED -0x3780 /**< Operation not permitted */
+#define MBEDTLS_ERR_PK_INVALID_SIGNATURE -0x3800 /**< Invalid signature */
+#define MBEDTLS_ERR_PK_BUFFER_TOO_SMALL -0x3780 /**< Output buffer too small */
+#define MBEDTLS_ERR_PK_NOT_PERMITTED -0x3700 /**< Operation not permitted */
/**@}*/