libglusterfs: Copy va_list types using va_copy instead of memcpy.
libglusterfs: Copy va_list types using va_copy instead of memcpy.

Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 621 (3.0.2 GlusterFS fails on Solaris 10)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=621

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster