Merge pull request open-source-parsers#277 from gogo40/master

fix compile error on android

But note that we do not have continuous integration testing for Android. This could break again.

`snprintf` drives me crazy. It should have been part of every C library 20 years ago.

Author: cdunn2001

src/lib_json/json_writer.cpp

@@ -29,6 +29,8 @@
 
 #if defined(_MSC_VER) && _MSC_VER < 1500 // VC++ 8.0 and below
 #define snprintf _snprintf
+#elif defined(__ANDROID__)
+#define snprintf snprintf
 #elif __cplusplus >= 201103L
 #define snprintf std::snprintf
 #endif