added libgcc libstdc++ as dev dependency for arm builds?!

Author: vabene1111

Dockerfile

@@ -24,7 +24,7 @@ RUN \
 
 # remove Development dependencies from requirements.txt
 RUN sed -i '/# Development/,$d' requirements.txt
-RUN apk add --no-cache --virtual .build-deps gcc musl-dev postgresql-dev zlib-dev jpeg-dev libwebp-dev openssl-dev libffi-dev cargo openldap-dev python3-dev xmlsec-dev xmlsec build-base g++ curl && \
+RUN apk add --no-cache --virtual .build-deps gcc musl-dev postgresql-dev zlib-dev jpeg-dev libwebp-dev openssl-dev libffi-dev libgcc libstdc++ cargo openldap-dev python3-dev xmlsec-dev xmlsec build-base g++ curl && \
     echo -n "INPUT ( libldap.so )" > /usr/lib/libldap_r.so && \
     python -m venv venv && \
     /opt/recipes/venv/bin/python -m pip install --upgrade pip && \