From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Thu, 3 Mar 2016 09:01:14 +0000 (+0100)
Subject: Makefile: use ?= for $BROWSER
X-Git-Url: https://git.proxmox.com/?p=pve-docs.git;a=commitdiff_plain;h=fc1090efc7ef769163471fcb0d8d9a8a855415af;hp=fc1090efc7ef769163471fcb0d8d9a8a855415af

Makefile: use ?= for $BROWSER

This way the $BROWSER environment variable is used instead
if it exists.
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