chromium: fix build with gcc13

srcpkgs/chromium/patches/gcc13-wnoerror.patch

@@ -0,0 +1,21 @@
+https://gn.googlesource.com/gn/+/c7b223bfb225ce87a72a244d016ffdfcf227fa5e%5E%21/
+Ignore build warning -Werror=redundant-move
+
+gcc-13 complains with:
+error: redundant move in return statement [-Werror=redundant-move]
+
+We cannot fix the code, because both old versions of gcc and the windows
+toolchain fails to build.
+index adb622a..232e536 100755
+--- a/tools/gn/build/gen.py
++++ b/tools/gn/build/gen.py
+
+@@ -472,6 +472,8 @@
+     # flags not supported by gcc/g++.
+     if cxx == 'clang++':
+       cflags.extend(['-Wrange-loop-analysis', '-Wextra-semi-stmt'])
++    else:
++      cflags.append('-Wno-redundant-move')
+ 
+     if platform.is_linux() or platform.is_mingw() or platform.is_msys():
+       ldflags.append('-Wl,--as-needed')