strife: Add autoloading for .seh files.

I'm not sure there are any mods for Strife people would want to
autoload on startup every time, but this is at least consistent with
other executables.

src/deh_main.c

@@ -414,7 +414,7 @@ void DEH_AutoLoadPatches(const char *path)
     glob_t *glob;
 
     glob = I_StartMultiGlob(path, GLOB_FLAG_NOCASE|GLOB_FLAG_SORTED,
-                            "*.deh", "*.hhe", NULL);
+                            "*.deh", "*.hhe", "*.seh", NULL);
     for (;;)
     {
         filename = I_NextGlob(glob);

src/strife/d_main.c

@@ -1745,7 +1745,7 @@ void D_DoomMain (void)
     {
         char *autoload_dir;
         autoload_dir = M_GetAutoloadDir("strife1.wad");
-        // TODO? DEH_AutoLoadPatches(autoload_dir);
+        DEH_AutoLoadPatches(autoload_dir);
         W_AutoLoadWADs(autoload_dir);
         free(autoload_dir);
     }