Pinning the GF header to the front of modern

- Pinning the GF Header, crt0, and main to the front of the ROM when building modern.
- Moving the gflib before other source files, to make it closer to the non-modern linker script (and therefore smaller patches).

ld_script.txt

@@ -27,7 +27,7 @@ SECTIONS {
         *libc.a:locale.o(.data);
         *libc.a:mallocr.o(.data);
         . = 0x40000;
-}
+    }
 
     . = 0x3000000;