removed WinMain() from nszip.cpp, and fixed makefile.win to compile it correctly. Affects only Windows

xpinstall/wizard/windows/nszip/makefile.win

@@ -34,12 +34,15 @@ OBJS =                          \
     .\$(OBJDIR)\stdafx.obj      \
     $(NULL)
 
-LCFLAGS= -UMOZILLA_CLIENT
-
 LLIBS=                          \
     $(DIST)\lib\zlib_s.lib      \
     $(NULL)
 
+LLFLAGS=                        \
+    /subsystem:windows          \
+    /machine:i386               \
+    $(NULL)
+
 include <$(DEPTH)\config\rules.mak>
 
 libs:: $(PROGRAM)

xpinstall/wizard/windows/nszip/nszip.cpp

@@ -200,8 +200,3 @@ void CNsZipApp::OnAppAbout()
 /////////////////////////////////////////////////////////////////////////////
 // CNsZipApp commands
 
-int APIENTRY
-WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
-{
-	return 0;  
-}