added some more messages to SSPI error function

lib/socks_sspi.c

@@ -76,9 +76,27 @@ static int check_sspi_err(struct SessionHandle *data,
     case SEC_I_CONTINUE_NEEDED:
       txt="SEC_I_CONTINUE_NEEDED";
       break;
+    case SEC_I_CONTEXT_EXPIRED:
+      txt="SEC_I_CONTEXT_EXPIRED";
+      break;
     case SEC_I_INCOMPLETE_CREDENTIALS:
       txt="SEC_I_INCOMPLETE_CREDENTIALS";
       break;
+    case SEC_I_RENEGOTIATE:
+      txt="SEC_I_RENEGOTIATE";
+      break;
+    case SEC_E_BUFFER_TOO_SMALL:
+      txt="SEC_E_BUFFER_TOO_SMALL";
+      break;
+    case SEC_E_CONTEXT_EXPIRED:
+      txt="SEC_E_CONTEXT_EXPIRED";
+      break;
+    case SEC_E_CRYPTO_SYSTEM_INVALID:
+      txt="SEC_E_CRYPTO_SYSTEM_INVALID";
+      break;
+    case SEC_E_INCOMPLETE_MESSAGE:
+      txt="SEC_E_INCOMPLETE_MESSAGE";
+      break;
     case SEC_E_INSUFFICIENT_MEMORY:
       txt="SEC_E_INSUFFICIENT_MEMORY";
       break;
@@ -94,15 +112,33 @@ static int check_sspi_err(struct SessionHandle *data,
     case SEC_E_LOGON_DENIED:
       txt="SEC_E_LOGON_DENIED";
       break;
+    case SEC_E_MESSAGE_ALTERED:
+      txt="SEC_E_MESSAGE_ALTERED";
+      break;
     case SEC_E_NO_AUTHENTICATING_AUTHORITY:
       txt="SEC_E_NO_AUTHENTICATING_AUTHORITY";
       break;
     case SEC_E_NO_CREDENTIALS:
       txt="SEC_E_NO_CREDENTIALS";
       break;
+    case SEC_E_NOT_OWNER:
+      txt="SEC_E_NOT_OWNER";
+      break;
+    case SEC_E_OUT_OF_SEQUENCE:
+      txt="SEC_E_OUT_OF_SEQUENCE";
+      break;
+    case SEC_E_QOP_NOT_SUPPORTED:
+      txt="SEC_E_QOP_NOT_SUPPORTED";
+      break;
+    case SEC_E_SECPKG_NOT_FOUND:
+      txt="SEC_E_SECPKG_NOT_FOUND";
+      break;
     case SEC_E_TARGET_UNKNOWN:
       txt="SEC_E_TARGET_UNKNOWN";
       break;
+    case SEC_E_UNKNOWN_CREDENTIALS:
+      txt="SEC_E_UNKNOWN_CREDENTIALS";
+      break;
     case SEC_E_UNSUPPORTED_FUNCTION:
       txt="SEC_E_UNSUPPORTED_FUNCTION";
       break;
@@ -198,7 +234,7 @@ CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
   cred_handle.dwUpper = 0;
 
   sspi_major_status = AcquireCredentialsHandle( NULL,
-                                                "Kerberos",
+                                                (char *)"Kerberos",
                                                 SECPKG_CRED_OUTBOUND,
                                                 NULL,
                                                 NULL,