patch 8.1.1670: sign column not always properly aligned

Problem:    Sign column not always properly aligned.
Solution:   Use "col" only after it was calculated. (Yee Cheng Chin,
            closes #4649)
diff --git a/src/version.c b/src/version.c
index ec0f7a0..b5504b1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1670,
+/**/
     1669,
 /**/
     1668,