Fix python packaging on MSVC 14.0, 32bit

Change-Id: I5604aa21981c216e992cbefae043acfd0ab07bbd
Reviewed-on: https://gerrit.libreoffice.org/22626Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: David Ostrovsky <david@ostrovsky.org>

external/python3/ExternalPackage_python3.mk

@@ -14,6 +14,8 @@ $(eval $(call gb_ExternalPackage_use_external_project,python3,python3))
 ifeq ($(OS)-$(COM),WNT-MSC)
 ifeq ($(CPUNAME),X86_64)
 python_arch_subdir=amd64/
+else
+python_arch_subdir=win32/
 endif
 $(eval $(call gb_ExternalPackage_add_file,python3,$(LIBO_BIN_FOLDER)/python-core-$(PYTHON_VERSION)/bin/python.exe,PCbuild/$(python_arch_subdir)python$(if $(MSVC_USE_DEBUG_RUNTIME),_d).exe))
 $(eval $(call gb_ExternalPackage_add_file,python3,$(LIBO_BIN_FOLDER)/python$(PYTHON_VERSION_MAJOR)$(PYTHON_VERSION_MINOR)$(if $(MSVC_USE_DEBUG_RUNTIME),_d).dll,PCbuild/$(python_arch_subdir)python$(PYTHON_VERSION_MAJOR)$(PYTHON_VERSION_MINOR)$(if $(MSVC_USE_DEBUG_RUNTIME),_d).dll))