patch 9.0.0048: cursor in wrong column with mouse click after concealed text

Problem:    Cursor in wrong column with mouse click after concealed text.
Solution:   Store the text column when drawing text.
diff --git a/src/version.c b/src/version.c
index 2d917a8..21f9199 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    48,
+/**/
     47,
 /**/
     46,