Add missing #ifdef.
authorBrian Robbins <brianrob@microsoft.com>
Thu, 7 Jun 2018 20:44:49 +0000 (13:44 -0700)
committerBrian Robbins <brianrob@microsoft.com>
Fri, 8 Jun 2018 00:39:19 +0000 (17:39 -0700)
commit06d2296ffedf716ec8d803c1b2ba65bbb014f5b0
tree1b513728f357155de3258cae30f9c63da03d02bc
parent186f0b1f988366fca70b458412752446357453d0
Add missing #ifdef.

Signed-off-by: dotnet-bot-corefx-mirror <dotnet-bot@microsoft.com>
Commit migrated from https://github.com/dotnet/coreclr/commit/58998ff388c0f2c0e166ea47af94151fcf31ccbc
src/libraries/System.Private.CoreLib/src/System/Diagnostics/Tracing/EventSource.cs