Fix. Use WEIRD_SERVER_REPLY by default in libcurl > 7.51.0.

Author: moteus

src/lcerr_easy.h

@@ -8,7 +8,6 @@ ERR_ENTRY ( NOT_BUILT_IN             )
 ERR_ENTRY ( COULDNT_RESOLVE_PROXY    )
 ERR_ENTRY ( COULDNT_RESOLVE_HOST     )
 ERR_ENTRY ( COULDNT_CONNECT          )
-ERR_ENTRY ( FTP_WEIRD_SERVER_REPLY   )
 #if LCURL_CURL_VER_GE(7,51,0)
 ERR_ENTRY ( WEIRD_SERVER_REPLY       )
 #else

src/lcerror.c

@@ -278,6 +278,15 @@ static const lcurl_const_t lcurl_error_codes[] = {
 #include "lcerr_easy.h"
 #undef ERR_ENTRY
 
+/* libcurl rename CURLE_FTP_WEIRD_SERVER_REPLY to CURLE_WEIRD_SERVER_REPLY in version 7.51.0*/
+/* we can not have both codes in general because we have to be able convern error number to error name*/
+/* so we use newest name but add error code as alias.*/
+#if LCURL_CURL_VER_GE(7,51,0)
+  { "E_FTP_WEIRD_SERVER_REPLY", CURLE_FTP_WEIRD_SERVER_REPLY },
+#else
+  { "E_WEIRD_SERVER_REPLY", CURLE_WEIRD_SERVER_REPLY },
+#endif
+
 #define ERR_ENTRY(N) { "E_MULTI_"#N, CURLM_##N },
 #include "lcerr_multi.h"
 #undef ERR_ENTRY