Ouch! With the recent commits to proxy_cache.c horrible bugs were introduced:

First the variable filename was a global static variable and at the same time
a local variable (``declaration of `filename' shadows global declaration'').
Second, the filename allocation at two locations used a ``strlen(cachedir)''
before ``cachedir'' was actually initialized!


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@83111 13f79535-47bb-0310-9956-ffa450edef68