silence C4251 when building shared in msvc

Author: BestITUserEUW

CMakeLists.txt

@@ -41,6 +41,8 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     target_compile_options(${PROJECT_NAME} 
         PRIVATE
             /W4
+        PUBLIC
+            $<$<BOOL:${ORYX_CHRON_BUILD_SHARED_LIBS}>:/wd4251>
     )
 else()
     target_compile_options(${PROJECT_NAME} 

src/clock.cpp

@@ -39,7 +39,7 @@ auto TzClock::TrySetTimezone(std::string_view name) -> bool {
 
     try {
         new_zone = locate_zone(name);
-    } catch (std::runtime_error &err) {
+    } catch (std::runtime_error &) {
         return false;
     }