dhex: fix error with gcc-15

* A strict error handling for function parameters in gcc-15 causes errors.
output.c:9:6: error: conflicting types for 'initcolors'; have 'void(tOutput *)' {aka 'void(struct _tOutput *)'}
    9 | void initcolors(tOutput* output)
      |      ^~~~~~~~~~
In file included from output.c:7:
output.h:10:6: note: previous declaration of 'initcolors' with type 'void(void)'
   10 | void initcolors();
      |      ^~~~~~~~~~

Signed-off-by: mark.yang <mark.yang@lge.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/dhex/dhex/0001-Fix-function-declaration-conflict-error-with-empty-p.patch

@@ -0,0 +1,38 @@
+From 86491a25b9057576234d1eaf4da020413e7259ad Mon Sep 17 00:00:00 2001
+From: "mark.yang" <mark.yang@lge.com>
+Date: Tue, 8 Apr 2025 14:43:29 +0900
+Subject: [PATCH] Fix function declaration conflict error with empty parameters
+ in gcc-15
+
+* A strict error handling for function parameters in gcc-15 causes errors.
+output.c:9:6: error: conflicting types for 'initcolors'; have 'void(tOutput *)' {aka 'void(struct _tOutput *)'}
+    9 | void initcolors(tOutput* output)
+      |      ^~~~~~~~~~
+In file included from output.c:7:
+output.h:10:6: note: previous declaration of 'initcolors' with type 'void(void)'
+   10 | void initcolors();
+      |      ^~~~~~~~~~
+
+
+* This component is a personal project and is maintained through the maintainer's personal email. 
+  I have sent the patch via email and am waiting for a response.
+
+Upstream-Status: Pending
+Signed-off-by: mark.yang <mark.yang@lge.com>
+---
+ output.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/output.h b/output.h
+index cef29e9..b2b5e38 100644
+--- a/output.h
++++ b/output.h
+@@ -7,7 +7,7 @@
+ #include "machine_type.h"
+ #include "datatypes.h"
+ 
+-void initcolors();
++void initcolors(tOutput* output);
+ void colorpair(tOutput* output,uicolors uicol,short fg,short bg,int attr);
+ void pairsinit(tOutput* output);
+ void setcolor(tOutput* output,uicolors col);

meta-oe/recipes-support/dhex/dhex_0.69.bb

@@ -7,7 +7,10 @@ DEPENDS = "ncurses"
 LICENSE = "GPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://README.txt;beginline=229;endline=241;md5=6f252a421b65bcecf624382ba3c899da"
 
-SRC_URI = "http://www.dettus.net/dhex/dhex_0.69.tar.gz"
+SRC_URI = " \
+	http://www.dettus.net/dhex/dhex_0.69.tar.gz \
+	file://0001-Fix-function-declaration-conflict-error-with-empty-p.patch \
+"
 SRC_URI[sha256sum] = "52730bcd1cf16bd4dae0de42531be9a4057535ec61ca38c0804eb8246ea6c41b"
 
 S = "${WORKDIR}/dhex_${PV}"