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-vc.mak b/pjsip-apps/build/Samples-vc.mak
index d1fc97b..2eb861a 100644
--- a/pjsip-apps/build/Samples-vc.mak
+++ b/pjsip-apps/build/Samples-vc.mak
@@ -52,6 +52,7 @@
 SAMPLES = $(BINDIR)\confsample.exe \
 	  $(BINDIR)\confbench.exe \
 	  $(BINDIR)\encdec.exe \
+	  $(BINDIR)\latency.exe \
 	  $(BINDIR)\level.exe \
 	  $(BINDIR)\mix.exe \
 	  $(BINDIR)\pcaputil.exe\