fstools: update to HEAD of 2019-07-01 - 1539b5

Update fstools to commit 1539b535ac327a3bc599d1ca871e14fd0dc3bba1

git log --pretty=oneline --abbrev-commit ff1ded63..1539b535

1539b53 libblkid-tiny: increment label size to 256
d563f3c libblkid-tiny: fix wrong btrfs label length
3957dd3 block: prevent mount point confusion
9b36dc2 libfstools: avoid false positives when matching devices and volumes

Created with the help of the make-package-update-commit.sh script.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
(cherry picked from commit 8036345225ced243782dcea055889fd821897393)

package/system/fstools/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=fstools
-PKG_RELEASE:=5
+PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/fstools.git
-PKG_SOURCE_DATE:=2019-03-28
-PKG_SOURCE_VERSION:=ff1ded63c51e84e239fb422ac8b9d15251d1221f
-PKG_MIRROR_HASH:=2731bbca42c0eafda557d545ebeca243fa4048c433c3b27d31256aca356886bc
+PKG_SOURCE_DATE:=2019-07-01
+PKG_SOURCE_VERSION:=1539b535ac327a3bc599d1ca871e14fd0dc3bba1
+PKG_MIRROR_HASH:=97accec8224aa14e6ce95049483faed581eb5df07eab54ba33d92e9ddea339c0
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0