linux-user/strace: Clean up local variable shadowing

Fix:

  linux-user/strace.c: In function ‘print_sockaddr’:
  linux-user/strace.c:370:17: warning: declaration of ‘i’ shadows a previous local [-Wshadow=compatible-local]
    370 |             int i;
        |                 ^
  linux-user/strace.c:361:9: note: shadowed declaration is here
    361 |     int i;
        |         ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904161235.84651-20-philmd@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

linux-user/strace.c

@@ -367,7 +367,6 @@ print_sockaddr(abi_ulong addr, abi_long addrlen, int last)
         switch (sa_family) {
         case AF_UNIX: {
             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
-            int i;
             qemu_log("{sun_family=AF_UNIX,sun_path=\"");
             for (i = 0; i < addrlen -
                             offsetof(struct target_sockaddr_un, sun_path) &&