Merge pull request open-source-parsers#406 from magnific0/master

std::snprintf not part of std for MinGW32 using c++11

Author: cdunn2001

src/lib_json/json_reader.cpp

@@ -30,8 +30,10 @@
 #elif defined(__ANDROID__) || defined(__QNXNTO__)
 #define snprintf snprintf
 #elif __cplusplus >= 201103L
+#if !defined(__MINGW32__)
 #define snprintf std::snprintf
 #endif
+#endif
 
 #if defined(__QNXNTO__)
 #define sscanf std::sscanf

src/lib_json/json_writer.cpp

@@ -57,8 +57,10 @@
 #elif defined(__ANDROID__) || defined(__QNXNTO__)
 #define snprintf snprintf
 #elif __cplusplus >= 201103L
+#if !defined(__MINGW32__)
 #define snprintf std::snprintf
 #endif
+#endif
 
 #if defined(__BORLANDC__)  
 #include <float.h>