libbb,crond,lash: fix getopt32 (don't know how it managed to slip through)
*: fcntl(fd, F_GETFL) doesn't require third parameter at all.

diff --git a/include/libbb.h b/include/libbb.h
index 2519aeb..e514fe2 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -611,8 +611,7 @@
 extern const char *applet_long_options;
 #endif
 extern uint32_t option_mask32;
-/* TODO: don't pass argc, determine it by looking at argv */
-extern uint32_t getopt32(int argc, char **argv, const char *applet_opts, ...);
+extern uint32_t getopt32(char **argv, const char *applet_opts, ...);
 
 
 typedef struct llist_t {