New g++ -Werror failure

The current gn code still has this problem, so upgrading gn isn't useful.
Hence a custom patch.

patch/0001-Fix-for-Werror-redundant-move-for-newer-g.patch

@@ -0,0 +1,35 @@
+From b34a4e2f812e916f806f61412dc3f70f31a32fd0 Mon Sep 17 00:00:00 2001
+From: Hin-Tak Leung <htl10@users.sourceforge.net>
+Date: Fri, 27 Dec 2024 02:08:12 +0000
+Subject: [PATCH] Fix for -Werror=redundant-move for newer g++
+
+Signed-off-by: Hin-Tak Leung <htl10@users.sourceforge.net>
+---
+ src/gn/desc_builder.cc | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/gn/desc_builder.cc b/src/gn/desc_builder.cc
+index 444a5e02..3ef170c3 100644
+--- a/src/gn/desc_builder.cc
++++ b/src/gn/desc_builder.cc
+@@ -167,7 +167,7 @@ class BaseDescBuilder {
+     base::ListValue res;
+     for (const auto& v : vector)
+       res.GetList().emplace_back(ToBaseValue(v));
+-    return std::move(res);
++    return res;
+   }
+
+   base::Value ToBaseValue(const Scope* scope) {
+@@ -176,7 +176,7 @@ class BaseDescBuilder {
+     scope->GetCurrentScopeValues(&map);
+     for (const auto& v : map)
+       res.SetKey(v.first, ToBaseValue(v.second));
+-    return std::move(res);
++    return res;
+   }
+
+   base::Value ToBaseValue(const Value& val) {
+-- 
+2.47.1
+

scripts/build_Linux.sh

@@ -54,6 +54,7 @@ fi
 git clone https://gn.googlesource.com/gn && \
     cd gn && \
     git checkout fe330c0ae1ec29db30b6f830e50771a335e071fb && \
+    patch -p1 < ../patch/0001-Fix-for-Werror-redundant-move-for-newer-g.patch && \
     python3 build/gen.py && \
     ninja -C out gn && \
     cd ..