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/gui_w32.c b/src/gui_w32.c
index bf27386..fd46b66 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -6803,12 +6803,12 @@
 	dfltbutton = -1;
 
     /* Allocate array to hold the width of each button */
-    buttonWidths = (int *)lalloc(numButtons * sizeof(int), TRUE);
+    buttonWidths = (int *)alloc(numButtons * sizeof(int));
     if (buttonWidths == NULL)
 	return -1;
 
     /* Allocate array to hold the X position of each button */
-    buttonPositions = (int *)lalloc(numButtons * sizeof(int), TRUE);
+    buttonPositions = (int *)alloc(numButtons * sizeof(int));
     if (buttonPositions == NULL)
 	return -1;