Improve gendef.pl diagnostic on failure to open sym file

Andrew Dunstan <andrew@dunslane.net>

Commit: a9d4625f485abd458f8fcc263f0003235430401e
Author: Andrew Dunstan <andrew@dunslane.net>
Date: 2017-10-26T14:04:45Z
Releases: 10.1
Improve gendef.pl diagnostic on failure to open sym file

There have been numerous buildfarm failures but the diagnostic is
currently silent about the reason for failure to open the file. Let's
see if we can get to the bottom of it.

Backpatch to all live branches.

Files

PathChange+/−
src/tools/msvc/gendef.pl modified +1 −1