more bug 299407 (libpixman hack with VC71) win32 fixes..

gfx/cairo/libpixman/src/Makefile.in

@@ -48,7 +48,9 @@ LIBRARY_NAME	= mozlibpixman
 LIBXUL_LIBRARY = 1
 
 ifeq ($(OS_ARCH)_$(GNU_CC), WINNT_)
-#USE_STATIC_VC71_LIB = 1
+ifeq ($(MOZ_OPTIMIZE),1)
+USE_STATIC_VC71_LIB = 1
+endif
 endif
 
 CSRCS	= \
@@ -85,6 +87,6 @@ include $(topsrcdir)/config/rules.mk
 ifeq ($(USE_STATIC_VC71_LIB),1)
 libs:: $(srcdir)/pixman-vc71.lib
 	cp $(srcdir)/pixman-vc71.lib $(LIBRARY)
-	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DIST)/lib/
+	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DIST)/lib
 endif