patch 9.1.1009: diff feature can be improved

Problem:  diff feature can be improved
Solution: include the linematch diff alignment algorithm
          (Jonathon)

closes: #9661

Signed-off-by: Jonathon <jonathonwhite@protonmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index cd84b85..3f2a6da 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -817,6 +817,7 @@
 	$(OUTDIR)/indent.o \
 	$(OUTDIR)/insexpand.o \
 	$(OUTDIR)/json.o \
+	$(OUTDIR)/linematch.o \
 	$(OUTDIR)/list.o \
 	$(OUTDIR)/locale.o \
 	$(OUTDIR)/logfile.o \