patch 8.2.2045: highlighting a character too much with incsearch

Problem:    Highlighting a character too much with incsearch.
Solution:   Check "search_match_endcol". (Christian Brabandt, closes #7360)
diff --git a/src/testdir/dumps/Test_incsearch_newline1.dump b/src/testdir/dumps/Test_incsearch_newline1.dump
new file mode 100644
index 0000000..9e9241a
--- /dev/null
+++ b/src/testdir/dumps/Test_incsearch_newline1.dump
@@ -0,0 +1,5 @@
+|t+1&#ffffff0|e|s|t| +0&&@5
+|x@2| @6
+|~+0#4040ff13&| @8
+|~| @8
+|/+0#0000000&|t|e|s|t> @4