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_newline5.dump b/src/testdir/dumps/Test_incsearch_newline5.dump
new file mode 100644
index 0000000..6568348
--- /dev/null
+++ b/src/testdir/dumps/Test_incsearch_newline5.dump
@@ -0,0 +1,5 @@
+|o+0#00e0003#ffffff0|r| |t|y|p|e| |c|o
+|m| @7|m
+|a|n|d| |t|o| |c|o|n
+|t| @7|i
+|n|u|e> +0#0000000&@6