sim-se: Fix fallthrough in prlimit

Change-Id: Ieec4651000b3b4de05ba5ba11fdfa5392a5477e7
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/8904
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Brandon Potter <Brandon.Potter@amd.com>

src/sim/syscall_emul.hh

@@ -1731,6 +1731,7 @@ prlimitFunc(SyscallDesc *desc, int callnum, Process *process,
             rlp->rlim_cur = rlp->rlim_max = 256*1024*1024;
             rlp->rlim_cur = TheISA::htog(rlp->rlim_cur);
             rlp->rlim_max = TheISA::htog(rlp->rlim_max);
+            break;
           default:
             warn("prlimit: unimplemented resource %d", resource);
             return -EINVAL;