git subrepo pull components/f4ll_c

subrepo:
  subdir:   "components/f4ll_c"
  merged:   "4754b65"
upstream:
  origin:   "git@git.pcmuhely.hu:compi/f4ll_c.git"
  branch:   "master"
  commit:   "4754b65"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

components/f4ll_c/packetusart.h

@@ -12,6 +12,10 @@
 
 #include "f4ll_c/dmahelper.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct usart_buffer_t;
 struct usartstatus_t;
 
@@ -139,4 +143,8 @@ static inline void StatsAddSkiped(struct usart_stats *s, uint8_t cnt) {
 #define StatsAddSkiped(x)
 #endif	//	USART_STATS_DISABLED
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* UART_HANDLER_H_ */