termux-tools: Work around for when termux-exec is broken

packages/termux-tools/build.sh

@@ -1,6 +1,6 @@
 TERMUX_PKG_HOMEPAGE=https://termux.com/
 TERMUX_PKG_DESCRIPTION="Basic system tools for Termux"
-TERMUX_PKG_VERSION=0.52
+TERMUX_PKG_VERSION=0.53
 TERMUX_PKG_PLATFORM_INDEPENDENT=yes
 TERMUX_PKG_ESSENTIAL=yes
 TERMUX_PKG_DEPENDS="termux-am"

packages/termux-tools/login

@@ -17,6 +17,7 @@ fi
 
 if [ -f $PREFIX/lib/libtermux-exec.so ]; then
 	export LD_PRELOAD=$PREFIX/lib/libtermux-exec.so
+	$SHELL -c "busybox true" > /dev/null 2>&1 || unset LD_PRELOAD
 fi
 
 exec "$SHELL" -l "$@"