libubox: update to the latest version

3c1b33b utils: add const_* byteswapping functions

Signed-off-by: Felix Fietkau <[email protected]>

package/libs/libubox/Makefile

@@ -5,9 +5,9 @@ PKG_RELEASE=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/libubox.git
-PKG_SOURCE_DATE:=2018-04-12
-PKG_SOURCE_VERSION:=6eff829d788b36939325557066f58aafd6a05321
-PKG_MIRROR_HASH:=d0ea16385a133d668d18d793d0bffd867a8c799832a176f0a312c1b473ff918d
+PKG_SOURCE_DATE:=2018-06-07
+PKG_SOURCE_VERSION:=3c1b33b7d57ad8b8aeeab8babd48625b86532e0b
+PKG_MIRROR_HASH:=0a4328591496eabbe46611037f8fc2087baec5ac37c8af125a839a5a9a0419d2
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=ISC