make boot_Win32CORE extern "C" for C++ builds

diff --git a/ext/Win32CORE/Win32CORE.c b/ext/Win32CORE/Win32CORE.c
index 5024642..6e5e1ce 100644 (file)
--- a/ext/Win32CORE/Win32CORE.c
+++ b/ext/Win32CORE/Win32CORE.c
@@ -40,6 +40,9 @@ XS(w32_CORE_all){
     call_pv(function, GIMME_V);
 }
 
+#ifdef __cplusplus
+extern "C"
+#endif
 XS_EXTERNAL(boot_Win32CORE)
 {
     /* This function only exists because writemain.SH, lib/ExtUtils/Embed.pm