Bug 176543: handle the case of invoking a program wit no arguments. The command line should be an empty string in that case.  Initialize newEnvp. The patch is contributed by Michael Kaply <mkaply@us.ibm.com>.
Bug 176543: handle the case of invoking a program wit no arguments. The
command line should be an empty string in that case.  Initialize newEnvp.
The patch is contributed by Michael Kaply <mkaply@us.ibm.com>.

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