includes: Make headers C++ compatible.
diff --git a/include/cfgmgr32.h b/include/cfgmgr32.h
index c5a4a25..3214c43 100644
--- a/include/cfgmgr32.h
+++ b/include/cfgmgr32.h
@@ -27,8 +27,17 @@
 #define MAX_GUID_STRING_LEN 39
 #define MAX_PROFILE_LEN     80
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 CONFIGRET WINAPI CM_Get_Device_ID_ListA( PCSTR, PCHAR, ULONG, ULONG );
 CONFIGRET WINAPI CM_Get_Device_ID_ListW( PCWSTR, PWCHAR, ULONG, ULONG );
 #define     CM_Get_Device_ID_List WINELIB_NAME_AW(CM_Get_Device_ID_List)
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _CFGMGR32_H_ */