uuidgen.c:
  Add check for HAVE_STDLIB_H before including stdlib.h

diff --git a/misc/uuidgen.c b/misc/uuidgen.c
index 6e3fb31..1eaddbc 100644
--- a/misc/uuidgen.c
+++ b/misc/uuidgen.c
@@ -10,7 +10,9 @@
  */
 
 #include <stdio.h>
+#ifdef HAVE_STDLIB_H
 #include <stdlib.h>
+#endif
 #ifdef HAVE_GETOPT_H
 #include <getopt.h>
 #else