Fix -Wshadow compile error in chromium import for screen_capturer_fuchsia.cc

Bug: none
Change-Id: I4392e79fec83efcbe3ee220860388b5a10330e8d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/391800
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#44635}
diff --git a/modules/desktop_capture/screen_capturer_fuchsia.cc b/modules/desktop_capture/screen_capturer_fuchsia.cc
index 7294290..5fb9e39 100644
--- a/modules/desktop_capture/screen_capturer_fuchsia.cc
+++ b/modules/desktop_capture/screen_capturer_fuchsia.cc
@@ -387,7 +387,7 @@
     const zx::vmo& virt_mem =
         buffer_collection_info_.buffers()[buffer_index].vmo();
     virtual_memory_mapped_addrs_[buffer_index] = nullptr;
-    auto status = zx::vmar::root_self()->map(
+    status = zx::vmar::root_self()->map(
         ZX_VM_PERM_READ, /*vmar_offset*/ 0, virt_mem,
         /*vmo_offset*/ 0, virt_mem_bytes,
         reinterpret_cast<uintptr_t*>(