kmod-sched-cake: bump to latest cake 2018-05-07

No functional change.  Code tidy ups.

735eaf2 Make sure we don't reallocate q->tins (we didn't anyway but his
really makes sure)
6c5ad6e Get rid of __GFP_NOWARN flag for memory allocation
2a37333 Don't need the wrapper for kvfree, and no need to check before calling it
2b1c631 Whitespace fix
7fe6e28 compat tidyup (for older kernel versions <4.4)
93b805c pedant tidy up superfluous semicolons on switch statements

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>

package/kernel/kmod-sched-cake/Makefile

@@ -13,9 +13,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/dtaht/sch_cake.git
-PKG_SOURCE_DATE:=2018-05-04
-PKG_SOURCE_VERSION:=e848241cda393fe1fa643156bcdbe81764bfe060
-PKG_MIRROR_HASH:=70fd1f79dcdf39e47957fa6684a1a41c1b50f51896781bea0d27bc9e8ff057ab
+PKG_SOURCE_DATE:=2018-05-07
+PKG_SOURCE_VERSION:=735eaf21e980117e171de9fe7ce046ab8e9f16db
+PKG_MIRROR_HASH:=4dd90cf152e876371d363f2442154464cffcee5d64b916a7f4a9fb897ff0d1d9
 PKG_MAINTAINER:=Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
 
 include $(INCLUDE_DIR)/package.mk