More compact JSON formatting.

src/base/io/json/Json_unix.cpp

@@ -56,6 +56,8 @@ bool xmrig::Json::save(const char *fileName, const rapidjson::Document &doc)
 
     rapidjson::OStreamWrapper osw(ofs);
     rapidjson::PrettyWriter<rapidjson::OStreamWrapper> writer(osw);
+    writer.SetFormatOptions(rapidjson::kFormatSingleLineArray);
+
     doc.Accept(writer);
 
     return true;

src/base/io/json/Json_win.cpp

@@ -118,6 +118,8 @@ bool xmrig::Json::save(const char *fileName, const rapidjson::Document &doc)
 
     OStreamWrapper osw(ofs);
     PrettyWriter<OStreamWrapper> writer(osw);
+    writer.SetFormatOptions(kFormatSingleLineArray);
+
     doc.Accept(writer);
 
     return true;

src/base/net/http/HttpApiResponse.cpp

@@ -80,6 +80,8 @@ void xmrig::HttpApiResponse::end()
     StringBuffer buffer(nullptr, 4096);
     PrettyWriter<StringBuffer> writer(buffer);
     writer.SetMaxDecimalPlaces(10);
+    writer.SetFormatOptions(kFormatSingleLineArray);
+
     m_doc.Accept(writer);
 
     HttpResponse::end(buffer.GetString(), buffer.GetSize());