Rename nmake makefiles as makefile rather than Makefile so that

the build script will not remove them.

diff --git a/windows/cmd/gvui/makefile b/windows/cmd/gvui/makefile
new file mode 100755 (executable)
index 0000000..ddc7444
--- /dev/null
+++ b/windows/cmd/gvui/makefile
@@ -0,0 +1,8 @@
+:PACKAGE: graphviz
+
+:ALL:
+
+GVUI.exe : .TERMINAL
+
+$(BINDIR) :INSTALLDIR: GVUI.exe
+