[Buildroot] [git commit] board/beagleboneai/post-build.sh: fix shellcheck issues

[Julien Olivain]

commit: https://git.buildroot.net/buildroot/commit/?id=5f620e144d82d70c822f26219cbec4d45daa2c00
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

BOARD_DIR is not used, so drop it and quote $BINARIES_DIR to make shellcheck
happy.

Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
Signed-off-by: Julien Olivain <ju.o at free.fr>
---
 .checkpackageignore                          | 1 -
 board/beagleboard/beagleboneai/post-build.sh | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/.checkpackageignore b/.checkpackageignore
index a9d259a2f2..1c3bca481f 100644
--- a/.checkpackageignore
+++ b/.checkpackageignore
@@ -9,7 +9,6 @@ board/asus/tinker/post-build.sh Shellcheck
 board/atmel/flasher.sh Shellcheck
 board/beagleboard/beaglebone-qt5/patches/linux/0001-keep-jtag-clock-alive-for-debugger.patch lib_patch.Upstream
 board/beagleboard/beaglebone/post-build.sh Shellcheck
-board/beagleboard/beagleboneai/post-build.sh Shellcheck
 board/boundarydevices/common/post-build.sh Shellcheck
 board/boundarydevices/common/post-image.sh Shellcheck
 board/broadcom/northstar/post-image.sh Shellcheck
diff --git a/board/beagleboard/beagleboneai/post-build.sh b/board/beagleboard/beagleboneai/post-build.sh
index 384b4d8745..8d94a8f1e4 100755
--- a/board/beagleboard/beagleboneai/post-build.sh
+++ b/board/beagleboard/beagleboneai/post-build.sh
@@ -1,4 +1,3 @@
 #!/bin/sh
-BOARD_DIR="$(dirname $0)"
 
-cp board/beagleboard/beagleboneai/uEnv.txt $BINARIES_DIR/uEnv.txt
+cp board/beagleboard/beagleboneai/uEnv.txt "$BINARIES_DIR/uEnv.txt"