ui-log: ban strcpy()

Git upstream bans strcpy() with commit:

  automatically ban strcpy()
  c8af66ab8ad7cd78557f0f9f5ef6a52fd46ee6dd

Signed-off-by: Christian Hesse <mail@eworm.de>
diff --git a/ui-log.c b/ui-log.c
index d696e20..c2f92fe 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -234,7 +234,7 @@
 			strbuf_add(&msgbuf, "\n\n", 2);
 
 			/* Place wrap_symbol at position i in info->subject */
-			strcpy(info->subject + i, wrap_symbol);
+			strlcpy(info->subject + i, wrap_symbol, subject_len - i + 1);
 		}
 	}
 	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,