trace: Include the appropriate header instead of defining prototypes.

Avoids header when the header was included before.
2010-02-03 11:06:23 +00:00
parent aa8b49c9ca
commit 630c375fe9
1 changed files with 1 additions and 1 deletions
@@ -46,7 +46,7 @@
 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
 #  define sleep Sleep
 #elif defined(PIPE_OS_LINUX) || defined(PIPE_OS_APPLE)
-void usleep(int);
+#  include <unistd.h>
 #  define sleep usleep
 #else
 #  warning "No socket implementation"