message: build: more out-of-tree fixups
  Copy the qrc locale file to a temp location and remove it when finished
  (rcc expects everything to be in the same path)
diff: @@ -409,9 +409,10 @@ translate: qt/bitcoinstrings.cpp $(QT_FORMS_UI) $(QT_FORMS_UI) $(BITCOIN_QT_CPP)
  $(QT_QRC_LOCALE_CPP): $(QT_QRC_LOCALE) $(QT_QM)
  @test -f $(RCC)
  - @test -f $(@D)/$(<F) || cp -f $< $(@D)
  - $(AM_V_GEN) QT_SELECT=$(QT_SELECT) $(RCC) -name bitcoin_locale $(@D)/$(<F) | \
  + @cp -f $< $(@D)/temp_$(<F)
  + $(AM_V_GEN) QT_SELECT=$(QT_SELECT) $(RCC) -name bitcoin_locale $(@D)/temp_$(<F) | \
  $(SED) -e '/^\*\*.*Created:/d' -e '/^\*\*.*by:/d' > $@
  + @rm $(@D)/temp_$(<F)
  $(QT_QRC_CPP): $(QT_QRC) $(QT_FORMS_H) $(RES_ICONS) $(RES_IMAGES) $(RES_MOVIES) $(PROTOBUF_H)
  @test -f $(RCC)
  