Replace one-line if condition with long syntax for functions.sh lib

One-line condition lead to function exit with status of condition itself.
With enabled set -e - it's leading to aborting whole script.

Change-Id: Icd65a7cf0586f49f73a2af1c411a83d007417744
Related-Prod: PROD-30834
1 file changed
tree: d5b9a6d8c128b4dcadad6b27de544664421dd2b0
  1. config-drive/
  2. mirror-image/
  3. predefine-vm/
  4. salt-ca/
  5. .gitreview
  6. README.rst