Added C linkage to the exported functions

Change-Id: I2f634d0aeae3d7c9d683edd9b3a282fb16dac16d
Reviewed-on: http://review.northscale.com/1515
Tested-by: Dustin Sallings <dustin@spy.net>
Reviewed-by: Dustin Sallings <dustin@spy.net>

alarm.h

@@ -5,6 +5,10 @@
 #ifndef LIBCONFLATE_ALARM_H
 #define LIBCONFLATE_ALARM_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define ALARM_INITIALIZER() { 1,1,1,1,0,0,"something"}
 #define ALARM_QUEUE_INIT(queue) { queue, 0, 0, 0, PTHREAD_MUTEX_INITIALIZER, \
             PTHREAD_COND_INITIALIZER, PTHREAD_COND_INITIALIZER }
@@ -102,6 +106,10 @@ alarm_queue_t *init_alarmqueue(void);
  */
 void destroy_alarmqueue(alarm_queue_t *queue);
 
+#ifdef __cplusplus
+}
+#endif
+
 /**
  * @}
  */

conflate.h

@@ -5,6 +5,9 @@
 #include <sys/types.h>
 #include <pthread.h>
 
+#ifdef __cpluscplus
+extern "C" {
+#endif
 
 /*! \mainpage libconflate
  *
@@ -526,5 +529,8 @@ char *conflate_get_private(conflate_handle_t *handle,
 /**
  * @}
  */
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* CONFLATE_H */