Explicitly set malloc storage in the regression test for #2530.
Explicitly set malloc storage in the regression test for #2530.

Storage defaults to umem where libumem is available, as is usually
the case on SunOS. So checking SMA.* stats was causing the test to
fail on Solaris.

gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache