am: fix signoff when other trailers are present

diff --git a/git-compat-util.h b/git-compat-util.h
index 199042ac91466783201bdd483bad9f89c78db122..59866d72fa3bb5aff109632b42c7178b24f528bc 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -189,6 +189,9 @@
 #include <sys/sysctl.h>
 #endif
 
+#if defined(__CYGWIN__)
+#include "compat/cygwin.h"
+#endif
 #if defined(__MINGW32__)
 /* pull in Windows compatibility stuff */
 #include "compat/mingw.h"