Mop up after .manifest's when building this much junk

git-svn-id: https://svn.apache.org/repos/asf/apr/apr-iconv/trunk@586352 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/build/modules.mk.win b/build/modules.mk.win
index ca949d3..1fe8404 100644
--- a/build/modules.mk.win
+++ b/build/modules.mk.win
@@ -221,7 +221,8 @@
 	$(SILENT)link $(ALL_LDFLAGS) $*.obj $(API_LIBS) /out:$@ \
 		/base:@"..\build\BaseAddr.ref",$(@F)
 	$(SILENT)if exist $@.manifest \
-		$(SILENT)mt -nologo -manifest $@.manifest -outputresource:$@;2
+		$(SILENT)mt -nologo -manifest $@.manifest -outputresource:$@;2 \
+		& del "$@.manifest"
 	$(SILENT)del "$*.exp" & del "$*.lib"
 
 # The rebase target below is used only to *regenerate* the BaseAddr.ref file