patch 7.4.1240
Problem:    Visual studio tools are noisy.
Solution:   Suppress startup info. (Mike Williams)
diff --git a/src/tee/Make_mvc.mak b/src/tee/Make_mvc.mak
index a957f94..7fe22df 100644
--- a/src/tee/Make_mvc.mak
+++ b/src/tee/Make_mvc.mak
@@ -1,7 +1,7 @@
 # A very (if not the most) simplistic Makefile for MSVC
 
 CC=cl
-CFLAGS=/O2
+CFLAGS=/O2 /nologo
 
 tee.exe: tee.obj
 	$(CC) $(CFLAGS) /Fo$@ $**