fix bug #4362 - SDL_syswm.h with SDL_PROTOTYPES_ONLY broken in C++ mode
diff --git a/include/SDL_syswm.h b/include/SDL_syswm.h
index 0748b92..e7d9baa 100644
--- a/include/SDL_syswm.h
+++ b/include/SDL_syswm.h
@@ -41,9 +41,9 @@
* an unhandled window event occurs. This event is ignored by default, but
* you can enable it with SDL_EventState().
*/
-#ifdef SDL_PROTOTYPES_ONLY
struct SDL_SysWMinfo;
-#else
+
+#if !defined(SDL_PROTOTYPES_ONLY)
#if defined(SDL_VIDEO_DRIVER_WINDOWS)
#ifndef WIN32_LEAN_AND_MEAN
@@ -103,6 +103,8 @@
#if defined(SDL_VIDEO_DRIVER_VIVANTE)
#include "SDL_egl.h"
#endif
+#endif /* SDL_PROTOTYPES_ONLY */
+
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
@@ -110,6 +112,7 @@
extern "C" {
#endif
+#if !defined(SDL_PROTOTYPES_ONLY)
/**
* These are the various supported windowing subsystems
*/
