a bug when sw build

[longchengz]

Describe the bug Exception in file D:/dev/cppan2/client2/src/sw/builder/command.cpp:849, function execute1: When executing: [org.sw.demo.gnome.glib.gobject-2.80.2]/gobject/gsignalgroup.c C:/Users/peng/.sw/storage/pkg/1f/68/0d08/src/sdir/gobject/gsignalgroup.c(1): warning C4819: ���ļ����������ڵ�ǰ����ҳ(936)�б�ʾ���ַ����뽫���ļ�����Ϊ Unicode ��ʽ�Է�ֹ���ݶ�ʧ C:\Users\peng.sw\storage\pkg\a6\cb\e71d\src\sdir\glib/gatomic.h(1): warning C4819: ���ļ����������ڵ�ǰ����ҳ(936)�б�ʾ���ַ����뽫���ļ�����Ϊ Unicode ��ʽ�Է�ֹ���ݶ�ʧ C:\Users\peng.sw\storage\pkg\a6\cb\e71d\src\sdir\glib/gtestutils.h(1): warning C4819: ���ļ����������ڵ�ǰ����ҳ(936)�б�ʾ���ַ����뽫���ļ�����Ϊ Unicode ��ʽ�Է�ֹ���ݶ�ʧ C:\Users\peng.sw\storage\pkg\1f\68\0d08\src\sdir\gobject/gtype.h(877): warning C4819: ���ļ����������ڵ�ǰ����ҳ(936)�б�ʾ���ַ����뽫���ļ�����Ϊ Unicode ��ʽ�Է�ֹ���ݶ�ʧ C:/Users/peng/.sw/storage/pkg/1f/68/0d08/src/sdir/gobject/gsignalgroup.c(721): error C2001: �������л��з� C:/Users/peng/.sw/storage/pkg/1f/68/0d08/src/sdir/gobject/gsignalgroup.c(721): fatal error C1057: ����չ������������ļ����� command failed: exit code = 2 Total errors: 1

Expected behavior I try sw build ,but when run in 3557/4827, throw an exception.

Exception in file D:/dev/cppan2/client2/src/sw/builder/command.cpp:849, function execute1: When executing: [org.sw.demo.gnome.glib.gobject-2.80.2]/gobject/gsignalgroup.c