[compiler-rt] Fix incorrect variable names used

GitOrigin-RevId: 534d105e0334e6b468da6cad746abdb2d2fd3167
diff --git a/lib/sanitizer_common/sanitizer_fuchsia.cpp b/lib/sanitizer_common/sanitizer_fuchsia.cpp
index 9b5f6f1..6fdf2c4 100644
--- a/lib/sanitizer_common/sanitizer_fuchsia.cpp
+++ b/lib/sanitizer_common/sanitizer_fuchsia.cpp
@@ -275,11 +275,11 @@
 }
 
 bool MprotectNoAccess(uptr addr, uptr size) {
-  return _zx_vmar_protect(_zx_vmar_root_self(), 0, Addr, Size) == ZX_OK;
+  return _zx_vmar_protect(_zx_vmar_root_self(), 0, addr, size) == ZX_OK;
 }
 
 bool MprotectReadOnly(uptr addr, uptr size) {
-  return _zx_vmar_protect(_zx_vmar_root_self(), ZX_VM_PERM_READ, Addr, Size) ==
+  return _zx_vmar_protect(_zx_vmar_root_self(), ZX_VM_PERM_READ, addr, size) ==
          ZX_OK;
 }