[PATCH] kernel32/tests: Fix sprintf() arguments (Coverity).

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=97929

Your paranoid android.


=== w10pro64 (32 bit report) ===

kernel32:
console.c:1186: Test failed: WaitForSingleObject returned 0
console.c:1188: Test failed: WaitForSingleObject returned 0
console.c:1190: Test failed: WaitForSingleObject returned 0
console.c:1192: Test failed: WaitForSingleObject returned 0
console.c:1194: Test failed: WaitForSingleObject returned 0
console.c:1196: Test failed: NtWaitForSingleObject returned 0
console.c:1199: Test failed: NtWaitForSingleObject returned 0