vlc_tick: include vlc_common to get VLC_API

include/vlc_tick.h

@@ -32,6 +32,7 @@
 struct timespec;
 
 #include <vlc_config.h>
+#include <vlc_common.h>
 
 /**
  * High precision date or time interval
@@ -307,7 +308,7 @@ VLC_API vlc_tick_t date_Decrement(date_t *restrict date, uint32_t count);
 
 /**
  * Gets the current wallclock time as 64-bit NTP timestamp.
- * 
+ *
  * \return NTP 64-bits timestamp in host byte order
  */
 VLC_API uint64_t vlc_ntp_time( void );