patch 8.1.1386: unessesary type casts for lalloc()

Problem:    Unessesary type casts for lalloc().
Solution:   Remove type casts.  Change lalloc(size, TRUE) to alloc(size).
diff --git a/src/os_qnx.c b/src/os_qnx.c
index 8091599..79b7ec0 100644
--- a/src/os_qnx.c
+++ b/src/os_qnx.c
@@ -120,7 +120,7 @@
     type = clip_convert_selection(&str, &len, cbd);
     if (type >= 0)
     {
-	text_clip = lalloc(len + 1, TRUE); /* Normal text */
+	text_clip = alloc(len + 1); // Normal text
 
 	if (text_clip && vim_clip)
 	{