patch 9.0.0160: some diff mode tests fail

Problem:    Some diff mode tests fail.
Solution:   Only advance "ptr" when a text property follows.
diff --git a/src/drawline.c b/src/drawline.c
index fb662f7..6b0d5b5 100644
--- a/src/drawline.c
+++ b/src/drawline.c
@@ -3473,7 +3473,7 @@
 		    ) || lcs_eol_one == -1)
 		break;
 #ifdef FEAT_PROP_POPUP
-	    if (!wp->w_p_wrap)
+	    if (!wp->w_p_wrap && text_prop_follows)
 	    {
 		// do not output more of the line, only the "below" prop
 		ptr += STRLEN(ptr);
diff --git a/src/version.c b/src/version.c
index 813ff63..a4cafbd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    160,
+/**/
     159,
 /**/
     158,