Added latency.c in the samples (see http://trac.pjsip.org/repos/wiki/MeasuringSoundLatency)

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2178 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip-apps/build/samples.vcproj b/pjsip-apps/build/samples.vcproj
index 865295c..2cfbee4 100644
--- a/pjsip-apps/build/samples.vcproj
+++ b/pjsip-apps/build/samples.vcproj
@@ -90,6 +90,10 @@
 				>

 			</File>

 			<File

+				RelativePath="..\src\samples\latency.c"

+				>

+			</File>

+			<File

 				RelativePath="..\src\samples\level.c"

 				>

 			</File>