Wrap stdint.h includes in ifdefs.
diff --git a/sshbuf-misc.c b/sshbuf-misc.c
index e07e34a..f1c2d03 100644
--- a/sshbuf-misc.c
+++ b/sshbuf-misc.c
@@ -22,7 +22,9 @@
 #include <netinet/in.h>
 #include <errno.h>
 #include <stdlib.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 #include <stdio.h>
 #include <limits.h>
 #include <string.h>