patch 7.4.2016
Problem:    Warning from MinGW about _WIN32_WINNT redefined. (John Marriott)
Solution:   First undefine it. (Ken Takata)
diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index 005df19..e0638ab 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -893,7 +893,7 @@
 	     $(PERLTYPEMAP) if_perl.xs > $@
 
 $(OUTDIR)/iscygpty.o:	iscygpty.c $(CUI_INCL)
-	$(CC) -c $(CFLAGS) iscygpty.c -o $(OUTDIR)/iscygpty.o -D_WIN32_WINNT=0x0600 -DUSE_DYNFILEID -DENABLE_STUB_IMPL
+	$(CC) -c $(CFLAGS) iscygpty.c -o $(OUTDIR)/iscygpty.o -U_WIN32_WINNT -D_WIN32_WINNT=0x0600 -DUSE_DYNFILEID -DENABLE_STUB_IMPL
 
 $(OUTDIR)/main.o:		main.c $(INCL) $(CUI_INCL)
 	$(CC) -c $(CFLAGS) main.c -o $(OUTDIR)/main.o
diff --git a/src/version.c b/src/version.c
index b2dc76e..cce37b1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2016,
+/**/
     2015,
 /**/
     2014,