Added winldap.h header.

diff --git a/include/Makefile.in b/include/Makefile.in
index ad31ada..39a83d7 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -252,6 +252,7 @@
 	wingdi.h \
 	wininet.h \
 	winioctl.h \
+	winldap.h \
 	winnetwk.h \
 	winnls.h \
 	winnls32.h \