cpu: Move watchpoint fields from CPU_COMMON to CPUState

Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 62641af..9060187 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -876,7 +876,7 @@
     target_ulong dr[8]; /* debug registers */
     union {
         CPUBreakpoint *cpu_breakpoint[4];
-        CPUWatchpoint *cpu_watchpoint[4];
+        struct CPUWatchpoint *cpu_watchpoint[4];
     }; /* break/watchpoints for dr[0..3] */
     uint32_t smbase;
     int old_exception;  /* exception in flight */