test.c: Fix shadowed name with typedef when compiling with -Wshadow
test.c: Fix shadowed name with typedef when compiling with -Wshadow

owent-contrib/hiredis,charsyam/hiredis,redis/hiredis,thomaslee/hiredis,charsyam/hiredis,jinguoli/hiredis,owent-contrib/hiredis,redis/hiredis,thomaslee/hiredis,jinguoli/hiredis,redis/hiredis,jinguoli/hiredis