Merge pull request dotnet/coreclr#3250 from janvorli/fix-explicit-frames-popping-2
authorSergiy Kuryata <sergeyk@microsoft.com>
Fri, 19 Feb 2016 18:44:16 +0000 (10:44 -0800)
committerSergiy Kuryata <sergeyk@microsoft.com>
Fri, 19 Feb 2016 18:44:16 +0000 (10:44 -0800)
Fix the explicit frames unwinding on Unix

Commit migrated from https://github.com/dotnet/coreclr/commit/06242b1c9811cee96108b8f29237b3be1a065e6b


Trivial merge