mkfs_ext2: use compatible inode sizes; add -I <inodesize>. (by Vladimir)

function                                             old     new   delta
mkfs_ext2_main                                      2385    2495    +110
packed_usage                                       26400   26447     +47
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 157/0)             Total: 157 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/applets/Kbuild b/applets/Kbuild
index a966f6e..a6b0cf6 100644
--- a/applets/Kbuild
+++ b/applets/Kbuild
@@ -27,9 +27,9 @@
 
 applets/applets.o: include/usage_compressed.h include/applet_tables.h
 
-applets/applet_tables: .config
-applets/usage:         .config
-applets/usage_pod:     .config include/applet_tables.h
+applets/applet_tables: .config $(srctree_slash)include/applets.h
+applets/usage:         .config $(srctree_slash)include/applets.h
+applets/usage_pod:     .config include/applet_tables.h $(srctree_slash)include/applets.h
 
 quiet_cmd_gen_usage_compressed = GEN     include/usage_compressed.h
       cmd_gen_usage_compressed = $(srctree_slash)applets/usage_compressed include/usage_compressed.h applets