Add semicolon to the buffer atime assignment

Author: Sergey Fedorov

src/main/c/truffleposix/truffleposix.c

@@ -467,7 +467,7 @@ static void copy_stat(struct stat *native_stat, struct truffleposix_stat* buffer
 #elif defined(HAVE_STRUCT_STAT_ST_ATIMENSEC)
   buffer->atime_nsec = (long)native_stat->st_atimensec;
 #else
-  buffer->atime_nsec = 0
+  buffer->atime_nsec = 0;
 #endif
 #if defined(HAVE_STRUCT_STAT_ST_MTIM)
   buffer->mtime_nsec = native_stat->st_mtim.tv_nsec;