tilem: fix build with GCC 15 (#509119)

pkgs/by-name/ti/tilem/gcc15-fix.patch

@@ -0,0 +1,12 @@
+Fix call to zero-argument tilem_macro_new(), which GCC 15 rejects because the declaration takes no parameters.
+--- a/gui/macro.c
++++ b/gui/macro.c
+@@ -70,7 +70,7 @@
+ 	tilem_macro_finalize(emu->macro);
+ 
+ 	/* Then allocate a new one */	
+-	emu->macro = tilem_macro_new(emu);
++	emu->macro = tilem_macro_new();
+ }
+ 
+ /* Add an action to the macro. The action could be :

pkgs/by-name/ti/tilem/package.nix

@@ -27,7 +27,10 @@ stdenv.mkDerivation (finalAttrs: {
     libticables2
     libticalcs2
   ];
-  patches = [ ./gcc14-fix.patch ];
+  patches = [
+    ./gcc14-fix.patch
+    ./gcc15-fix.patch
+  ];
   env.NIX_CFLAGS_COMPILE = toString [ "-lm" ];
   meta = {
     homepage = "http://lpg.ticalc.org/prj_tilem/";