patch 8.2.2004: compiler warning for uninitialized variable

Problem:    Compiler warning for uninitialized variable.
Solution:   Initialize "ufunc". (John Marriott)
diff --git a/src/version.c b/src/version.c
index a34e9bf..dafd15b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2004,
+/**/
     2003,
 /**/
     2002,