decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly

   text	   data	    bss	    dec	    hex	filename
1021988	    559	   5052	1027599	  fae0f	busybox_old
1021236	    559	   5052	1026847	  fab1f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/include/libbb.h b/include/libbb.h
index 18dc9f9..9872dc1 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1026,8 +1026,9 @@
 /* Last element is marked by mult == 0 */
 struct suffix_mult {
 	char suffix[4];
-	unsigned mult;
+	uint32_t mult;
 };
+#define ALIGN_SUFFIX ALIGN4
 extern const struct suffix_mult bkm_suffixes[];
 #define km_suffixes (bkm_suffixes + 1)
 extern const struct suffix_mult cwbkMG_suffixes[];