#19 comparison with string literal results in unspecified behavi

[xzhai]

cc1plus: warnings being treated as errors
HttpCurl.cpp: In member function 'void CurlRequest::header(const char*, int)':
HttpCurl.cpp:588: warning: comparison with string literal results in unspecified behaviour

So I vi the src/HttpCurl.cpp then :587 line, edited as shown below:
if (hdr->key() == (const gchar*) HTTP_WWW_AUTHENTICATE && hdr->value())