glx: Be more tolerant in glXImportContext (v2)
Ugh the GLX code. __GLX_MAX_CONTEXT_PROPS is 3 because glxproto.h is
just a pile of ancient runes, so when the server begins sending more
than 3 context properties this code refuses to work _at all_. Which is
all just silly. If _XReply succeeds, it will have buffered the whole
reply, we can just walk through each property one at a time.
v2: Now with no arbitrary limits. (Eric Anholt)
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Eric Anholt <eric@anholt.net>