patch 7.4.890
Problem:    Build failure when using dynamic python but not python3.
Solution:   Adjust the #if to also include DYNAMIC_PYTHON3 and UNIX.
diff --git a/src/if_python3.c b/src/if_python3.c
index e1fc5c7..a6a655f 100644
--- a/src/if_python3.c
+++ b/src/if_python3.c
@@ -828,7 +828,7 @@
     --recurse;
 }
 
-#if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON)) || defined(PROTO)
+#if (defined(DYNAMIC_PYTHON3) && defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON) && defined(UNIX)) || defined(PROTO)
     int
 python3_loaded()
 {
diff --git a/src/version.c b/src/version.c
index d3ea2d3..c60bbe6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    890,
+/**/
     889,
 /**/
     888,