format-patch: improve head calculation for cover-letter

diff --git a/git-compat-util.h b/git-compat-util.h
index e715285e7c2e0a3d0b959505921b344dda55089d..cde442fb5f47cd13757e09ae435963bc061db083 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -86,6 +86,9 @@
 #define _SGI_SOURCE 1
 
 #ifdef WIN32 /* Both MinGW and MSVC */
+# if defined (_MSC_VER)
+#  define _WIN32_WINNT 0x0502
+# endif
 #define WIN32_LEAN_AND_MEAN  /* stops windows.h including winsock.h */
 #include <winsock2.h>
 #include <windows.h>
@@ -160,6 +163,7 @@
 typedef long intptr_t;
 typedef unsigned long uintptr_t;
 #endif
+int get_st_mode_bits(const char *path, int *mode);
 #if defined(__CYGWIN__)
 #undef _XOPEN_SOURCE
 #include <grp.h>