fix build failure on 64-bit parisc

On PA-RISC machines running in 64-bit mode, uname -m returns `parisc64'
instead of `parisc.' Thus, we must sed this to match like a few
other platforms.

From: Kyle McMartin <kyle@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
1 file changed