Merge pull request #1509 from tlaurion/whiptail_respect_lowercase_uppercase_choices

newt(whiptail): fix code that was doing toupper of input

Author: tlaurion

patches/newt-0.52.20.patch

@@ -0,0 +1,20 @@
+--- ./listbox.c.orig	2023-10-11 15:26:20.365000000 -0400
++++ ./listbox.c	2023-10-11 15:27:26.762000000 -0400
+@@ -652,7 +652,7 @@
+ 		  for(i = 0, item = li->boxItems; item != NULL &&
+ 			  i < li->currItem; i++, item = item->next);
+ 
+-		  if (item && item->text && (toupper(*item->text) == toupper(ev.u.key))) {
++		  if (item && item->text && *item->text == ev.u.key) {
+ 		      item = item->next;
+ 		      i++;
+ 		  } else { 
+@@ -660,7 +660,7 @@
+ 		      i = 0;
+ 		  }
+ 		  while (item && item->text &&
+-			 toupper(*item->text) != toupper(ev.u.key)) {
++			 *item->text != ev.u.key) {
+ 		      item = item->next;
+ 		      i++;
+ 		  }