Add missing header guard.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@1006 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/cpu/avr/drv/ser_avr.h b/cpu/avr/drv/ser_avr.h
index 4cf17064353c25b12738cb3a8ef4f9cec4f41d6a..4b5518b47ea32f8fc58c38519f9b63a72e698346 100644 (file)
--- a/cpu/avr/drv/ser_avr.h
+++ b/cpu/avr/drv/ser_avr.h
@@ -34,9 +34,12 @@
  *
  * \author Daniele Basile <asterix@develer.com>
  *
- * \brief Low-level serial module for ARM (interface).
+ * \brief Low-level serial module for AVR (interface).
  */
 
+#ifndef DRV_SER_AVR_H
+#define DRV_SER_AVR_H
+
 #include <cfg/macros.h> /* BV() */
 #include <cfg/compiler.h>  /* uint32_t */
 
@@ -77,3 +80,5 @@ enum
        SER_CNT  /**< Number of serial ports */
 };
 /*\}*/
+
+#endif /* DRV_SER_AVR_H */