patch 9.0.0178: cursor position wrong with virtual text before Tab

Problem:    Cursor position wrong with virtual text before Tab.
Solution:   Use the byte length, not the cell with, to compare the column.
            Correct tab size after text prop. (closes #10866)
diff --git a/src/version.c b/src/version.c
index 739a2f4..f105ab7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    178,
+/**/
     177,
 /**/
     176,