Move $DEST creation after logging setup

Setup the log output before calling functions like
check_path_perm_sanity that want to write out to
the error log.

Change-Id: I9815965257c399a48f8cf0f344814d954137aecb
Closes-Bug: #1500834
diff --git a/stack.sh b/stack.sh
index 01668c2..0612890 100755
--- a/stack.sh
+++ b/stack.sh
@@ -306,9 +306,6 @@
 safe_chown -R $STACK_USER $DEST
 safe_chmod 0755 $DEST
 
-# Basic test for ``$DEST`` path permissions (fatal on error unless skipped)
-check_path_perm_sanity ${DEST}
-
 # Destination path for service data
 DATA_DIR=${DATA_DIR:-${DEST}/data}
 sudo mkdir -p $DATA_DIR
@@ -443,6 +440,8 @@
     fi
 fi
 
+# Basic test for ``$DEST`` path permissions (fatal on error unless skipped)
+check_path_perm_sanity ${DEST}
 
 # Configure Error Traps
 # ---------------------