fixes bug 308587 "PR_GetPhysicalMemorySize returns garbage on systems with more than 2GB RAM" r=wtc
fixes bug 308587 "PR_GetPhysicalMemorySize returns garbage on systems with more than 2GB RAM" r=wtc

makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub