File gnu23-hp2ps.patch of Package ghc-prepare-binary-distributions

Index: ghc-9.10.1/utils/hp2ps/Utilities.c
===================================================================
--- ghc-9.10.1.orig/utils/hp2ps/Utilities.c
+++ ghc-9.10.1/utils/hp2ps/Utilities.c
@@ -1,9 +1,9 @@
 #include "Main.h"
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "Error.h"
 
-extern void* malloc();
 
 char*
 Basename(char *name)
@@ -89,7 +89,6 @@ void *
 xrealloc(void *p, size_t n)
 {
     void *r;
-    extern void *realloc();
 
     r = realloc(p, n);
     if (!r) {