Log Message:
-----------
tests: Fix warning in 05-sim-long_jumps.c
Commit 3c2da115b5b35 "tests: improve 05-sim-long_jumps to work better
across arch/ABIs" introduced the following warning. Let's fix it.
05-sim-long_jumps.c: In function ‘main’:
05-sim-long_jumps.c:68:25: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration]
68 | free(syscall);