Bug 471179: Implement PR_GetPhysicalMemorySize for NetBSD.  The patch is contributed by Martin Husemann <martin@NetBSD.ORG>.  r=wtc.
Bug 471179: Implement PR_GetPhysicalMemorySize for NetBSD.  The patch is
contributed by Martin Husemann <martin@NetBSD.ORG>.  r=wtc.

thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr