cpu-exec: Change cpu_resume_from_signal() argument to CPUState

Signed-off-by: Andreas Färber <[email protected]>
diff --git a/user-exec.c b/user-exec.c
index 75c6d54..3b795c1 100644
--- a/user-exec.c
+++ b/user-exec.c
@@ -52,9 +52,8 @@
 /* exit the current TB from a signal handler. The host registers are
    restored in a state compatible with the CPU emulator
  */
-void cpu_resume_from_signal(CPUArchState *env1, void *puc)
+void cpu_resume_from_signal(CPUState *cpu, void *puc)
 {
-    CPUState *cpu = ENV_GET_CPU(env1);
 #ifdef __linux__
     struct ucontext *uc = puc;
 #elif defined(__OpenBSD__)