nvc0/ir: Initialize Limits members in constructor.
Fix defect reported by Coverity Scan.
Uninitialized scalar field (UNINIT_CTOR) uninit_member: Non-static class member min is not initialized in this constructor nor in any functions that it calls. uninit_member: Non-static class member max is not initialized in this constructor nor in any functions that it calls.
Signed-off-by: Vinson Lee vlee@freedesktop.org