Fix apt errors

src/scripts/docker/Dockerfile

@@ -8,7 +8,7 @@ RUN apt-get -y update && apt-get install -y \
     libfreetype6 libgl1-mesa-glx libglib2.0-0 \
     libx11-6 libx11-xcb1 \
     g++ build-essential cmake wget git \
-    software-properties-common # for add-apt-repository \
+    software-properties-common  \
     autoconf automake autopoint bison flex gperf libtool libtool-bin intltool lzip python ruby unzip p7zip-full libgdk-pixbuf2.0-dev libltdl-dev 
 
 # Get OpenSSL
@@ -32,4 +32,4 @@ RUN cd /opt && \
     cd /opt/mxe && \
     make -j$(nproc) MXE_TARGETS=x86_64-w64-mingw32.static qtbase qtwebsockets 
 
-ENV PATH="/opt/mxe/usr/bin:${PATH}"
+ENV PATH="/opt/mxe/usr/bin:${PATH}"