Fix gh-831 g++ script needs to be executable
Fix gh-831 g++ script needs to be executable

We supply a script file g++ that can be used to redirect the compiler used by eclcc,
but it's not marked as executable in the rpm.

Signed-off-by: Richard Chapman <5900d56196fe29dba8e3ae556d57eae28e9f0195@hpccsystems.com>

afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform