bsd-user: Fix operand to cpu_x86_exec

Signed-off-by: NRichard Henderson <rth@twiddle.net>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Message-id: 1438195252-21968-1-git-send-email-rth@twiddle.net
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

bsd-user/main.c

@@ -173,7 +173,7 @@ void cpu_loop(CPUX86State *env)
     //target_siginfo_t info;
 
     for(;;) {
-        trapnr = cpu_x86_exec(env);
+        trapnr = cpu_x86_exec(cs);
         switch(trapnr) {
         case 0x80:
             /* syscall from int $0x80 */