[ARMPL] Fix ARM PL installation by properly injecting the S£ URL from where gcc dependencies must be downloaded from.

Author: gmarciani

cookbooks/aws-parallelcluster-platform/resources/arm_pl/partial/_arm_pl_common.rb

@@ -126,7 +126,7 @@
         tar -xf #{gcc_tarball}
         cd gcc-#{gcc_version}
         # Patch the download_prerequisites script to download over https and not ftp. This works better in China regions.
-        sed -i "s#ftp://gcc\.gnu\.org/pub/gcc/infrastructure##{node['cluster']['artifacts_s3_url']}/dependencies/gcc/prerequisites#g" ./contrib/download_prerequisites
+        sed -i "s#\(ftp\|http\)://gcc\.gnu\.org/pub/gcc/infrastructure##{node['cluster']['artifacts_s3_url']}/dependencies/gcc/prerequisites#g" ./contrib/download_prerequisites
         ./contrib/download_prerequisites
         mkdir build && cd build
         ../configure --prefix=/opt/arm/armpl/gcc/#{gcc_version} --disable-bootstrap --enable-checking=release --enable-languages=c,c++,fortran --disable-multilib