Fix declaration of usleep().

diff --git a/src/dropin.h b/src/dropin.h
index 7b0050d..3617b70 100644 (file)
--- a/src/dropin.h
+++ b/src/dropin.h
@@ -42,7 +42,7 @@ extern int gettimeofday(struct timeval *, void *);
 #endif
 
 #ifndef HAVE_USLEEP
-extern void usleep(long long usec);
+extern int usleep(long long usec);
 #endif
 
 #endif                                                 /* __DROPIN_H__ */