File build-cflags.patch of Package nodejs-vscode-oniguruma

--- a/scripts/build.sh	2021-11-19 10:49:24.000000000 +0100
+++ b/scripts/build.sh	2022-11-27 17:45:02.488261257 +0100
@@ -1,6 +1,6 @@
 # https://github.com/emscripten-core/emscripten/blob/master/src/settings.js
 
-emcc -O2 \
+emcc $CXXFLAGS $LDFLAGS -Wl,--gc-sections \
     deps/oniguruma/src/.libs/libonig.so \
     src/onig.cc \
     -Isrc -Ideps/oniguruma/src \