patch 8.0.1745: build failure on MS-Windows

Problem:    Build failure on MS-Windows.
Solution:   Build job arguments for MS-Windows. Fix allocating job twice.
diff --git a/src/proto/misc2.pro b/src/proto/misc2.pro
index 6999683..06e33f5 100644
--- a/src/proto/misc2.pro
+++ b/src/proto/misc2.pro
@@ -110,4 +110,5 @@
 void time_to_bytes(time_T the_time, char_u *buf);
 int has_non_ascii(char_u *s);
 void parse_queued_messages(void);
+int mch_parse_cmd(char_u *cmd, int use_shcf, char ***argv, int *argc);
 /* vim: set ft=c : */