Switch to using WAPP_PLATFORM_CPP instead of __cplusplus

src/testing/tester/tester.h

@@ -6,9 +6,9 @@
 #include "../../core/strings/str8/str8.h"
 #include <stdbool.h>
 
-#ifdef __cplusplus
+#ifdef WAPP_PLATFORM_CPP
 BEGIN_C_LINKAGE
-#endif // __cplusplus
+#endif // WAPP_PLATFORM_CPP
 
 #define wapp_tester_result(PASSED) ((TestFuncResult){.name = wapp_str8_lit_ro(__func__), .passed = PASSED})
 #define wapp_tester_run_tests(...) run_tests(__VA_ARGS__, NULL)
@@ -27,8 +27,8 @@ typedef TestFuncResult(TestFunc)(void);
 
 void run_tests(TestFunc *func1, ...);
 
-#ifdef __cplusplus
+#ifdef WAPP_PLATFORM_CPP
 END_C_LINKAGE
-#endif // __cplusplus
+#endif // WAPP_PLATFORM_CPP
 
 #endif // !TESTER_H