fstools: update to git HEAD

 b7bf185 blockd: make most calls to 'block' asynchronous

Signed-off-by: Daniel Golle <[email protected]>

package/system/fstools/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/fstools.git
-PKG_MIRROR_HASH:=6a457b812166e04e2244ee1be92a4957666b5d1554315c0e18db1b30376cc617
-PKG_SOURCE_DATE:=2021-07-28
-PKG_SOURCE_VERSION:=cc63933faedd8d4fcdabb872cf4661ac04fe4ba2
+PKG_MIRROR_HASH:=77c24dabca546a376d1b4ee0d00975ca1382f468c357cd6128724fff43eaecad
+PKG_SOURCE_DATE:=2021-07-30
+PKG_SOURCE_VERSION:=b7bf18563769e26d24cdace973d09f9c438bbd34
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0