transfer-results: fixed shellcheck issues

Signed-off-by: Lars Erik Wik <lars.erik.wik@northern.tech>

Author: larsewi

build-scripts/transfer-results

@@ -1,15 +1,15 @@
 #!/bin/sh
 
-. $(dirname "$0")/functions
+. "$(dirname "$0")"/functions
 . version
 
 set -x
 
 BUILDMACHINE="$1"
 
-mkdir -p $BASEDIR/../../../output/${SCHEDULER}/${BUILD_NUMBER}
+mkdir -p "$BASEDIR"/../../../output/"${SCHEDULER}"/"${BUILD_NUMBER}"
 rsync -avr --delete "$BUILDMACHINE:build/output/*" \
-    $BASEDIR/../../../output/${SCHEDULER}/${BUILD_NUMBER} \
+    "$BASEDIR"/../../../output/"${SCHEDULER}"/"${BUILD_NUMBER}" \
     >/tmp/rsync.log
 
 ssh "$BUILDMACHINE" "rm -rf build/output"