patch 8.1.0861: building with MinGW and static libc doesn't work

Problem:    Building with MinGW and static libc doesn't work.
Solution:   Change the LIB argument. (Ken Takata)
diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index 5795b50..1e26add 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -931,7 +931,8 @@
 ifeq (yes, $(USE_STDCPLUS))
 LINK = $(CXX)
 ifeq (yes, $(STATIC_STDCPLUS))
-LIB += -static-libstdc++ -static-libgcc
+#LIB += -static-libstdc++ -static-libgcc
+LIB += -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
 endif
 else
 LINK = $(CC)
diff --git a/src/version.c b/src/version.c
index 3478fd5..6470c46 100644
--- a/src/version.c
+++ b/src/version.c
@@ -784,6 +784,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    861,
+/**/
     860,
 /**/
     859,