bsd-user: put back a break; that had gone missing...

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>

bsd-user/syscall.c

@@ -199,6 +199,7 @@ static int sysctl_oldcvt(void *holdp, size_t holdlen, uint32_t kind)
 #else
     case CTLTYPE_LONG:
         *(uint64_t *)holdp = tswap64(*(long *)holdp);
+        break;
     case CTLTYPE_ULONG:
         *(uint64_t *)holdp = tswap64(*(unsigned long *)holdp);
         break;