THRIFT-4398 Update EXTRA_DIST for "make dist"
Client: Build process
Patch: Jens Geyer

This closes #1431
diff --git a/test/netcore/Makefile.am b/test/netcore/Makefile.am
index e84a57a..e029a24 100644
--- a/test/netcore/Makefile.am
+++ b/test/netcore/Makefile.am
@@ -52,6 +52,7 @@
 			 $(THRIFTCODE) \
 			 ThriftTest.sln \
 			 ThriftTest/ThriftTest.csproj \
+			 ThriftTest/Properties/launchSettings.json \
 			 build.cmd \
 			 build.sh \
 			 README.md