fixed noexcept in visual studio

include/spdlog/common.h

@@ -27,12 +27,21 @@
 #include<initializer_list>
 #include<chrono>
 
+//visual studio does not support noexcept yet
+#ifndef _MSC_VER
+#define SPDLOG_NOEXCEPT noexcept
+#else
+#define SPDLOG_NOEXCEPT
+#endif
+
 namespace spdlog
 {
 
 class formatter;
 
-namespace sinks { class sink;}
+namespace sinks {
+class sink;
+}
 
 // Common types across the lib
 using log_clock = std::chrono::system_clock;
@@ -72,7 +81,7 @@ class spdlog_ex : public std::exception
 {
 public:
     spdlog_ex(const std::string& msg) :_msg(msg) {}
-    const char* what() const noexcept override
+    const char* what() const SPDLOG_NOEXCEPT override
     {
         return _msg.c_str();
     }