multiplier suffixes are short, store them directly in struct suffix_mult

function                                             old     new   delta
xstrtoul_range_sfx                                   226     217      -9
xstrtoull_range_sfx                                  291     280     -11
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-20)             Total: -20 bytes
   text    data     bss     dec     hex filename
 669128    2668   13616  685412   a7564 busybox_old
 669108    2668   13616  685392   a7550 busybox_unstripped

diff --git a/findutils/find.c b/findutils/find.c
index eaf1d59..47cba7c 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -760,10 +760,10 @@
 			static const struct suffix_mult find_suffixes[] = {
 				{ "c", 1 },
 				{ "w", 2 },
-				{ "b"+1, 512 },
+				{ "", 512 },
 				{ "b", 512 },
 				{ "k", 1024 },
-				{ NULL, 0 }
+				{ }
 			};
 			action_size *ap;
 			ap = ALLOC_ACTION(size);