uhttpd: Fix format string build problems

91fcac34ac uhttpd: Fix multiple format string problems

Fixes: fc454ca15305 libubox: update to latest git HEAD
Reported-by: Hannu Nyman <[email protected]>
Signed-off-by: Hauke Mehrtens <[email protected]>

package/network/services/uhttpd/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=3
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/uhttpd.git
-PKG_SOURCE_DATE:=2018-11-28
-PKG_SOURCE_VERSION:=cdfc902a4cb77bc538a729f9e1c8a8578454a0e5
-PKG_MIRROR_HASH:=6b21111547a4453355bd6c941a47f0116a652a77d87c1e05a035168b8ab2aa6f
+PKG_SOURCE_DATE:=2019-06-16
+PKG_SOURCE_VERSION:=91fcac34ac014a565fdd6312de088d312b5ba7ec
+PKG_MIRROR_HASH:=97fce84dabfe8902edd57784a5ae5e8acdfc7fd4be26cf72405c4b6116e2799b
 PKG_MAINTAINER:=Felix Fietkau <[email protected]>
 PKG_LICENSE:=ISC