llvmpipe: Silence "possibly uninitialized value" warning for ssbo_limit (cont)
Fixes: ce611935 ("llvmpipe: Silence "possibly uninitialized value" warning for ssbo_limit.") Signed-off-by:David Heidelberg <david@ixit.cz> Part-of: <mesa/mesa!30482> (cherry picked from commit 9c8e75e2)