updated for version 7.3.451
Problem:    Tcl doesn't work on 64 MS-Windows.
Solution:   Make it work. (Dave Bodenstab)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index c6a8e31..092e2b5 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -616,7 +616,7 @@
 		-DDYNAMIC_TCL_VER=\"$(TCL_VER_LONG)\"
 TCL_OBJ	= $(OUTDIR)\if_tcl.obj
 TCL_INC	= /I "$(TCL)\Include" /I "$(TCL)"
-TCL_LIB = $(TCL)\lib\tclstub$(TCL_VER).lib
+TCL_LIB = "$(TCL)\lib\tclstub$(TCL_VER).lib"
 !else
 CFLAGS  = $(CFLAGS) -DFEAT_TCL
 TCL_OBJ	= $(OUTDIR)\if_tcl.obj