Modified HTTPClient to fit lwip changes.

Fork of HTTPClient by David Smart

Revision:
37:61814f654883
Parent:
36:a5c13e512b78
--- a/HTTPClient.cpp	Tue Jan 26 11:44:35 2016 +0000
+++ b/HTTPClient.cpp	Fri Feb 26 13:13:12 2016 +0000
@@ -559,7 +559,7 @@
     return HTTP_OK;
 }
 
-HTTPResult HTTPClient::send(const char* buf, size_t len) //0 on success, err code on failure
+HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
 {
     if(len == 0) {
         len = strlen(buf);