libretro-picodrive: fix gcc-14 build on arm32

Fix build on arm32

pico/carthw/svp/compiler.c: In function 'ssp_translate_block':
pico/carthw/svp/compiler.c:1800:24: error: passing argument 1 of 'rfflush' from incompatible pointer type [-Wincompatible-pointer-types]
 1800 |                 fflush(stdout);
      |                        ^~~~~~
      |                        |
      |                        FILE *
In file included from ./pico/pico_port.h:12,
                 from ./pico/pico_int.h:15,
                 from pico/carthw/svp/compiler.c:9:
platform/libretro/libretro-common/include/streams/file_stream_transforms.h:89:25: note: expected 'RFILE *' but argument is of type 'FILE *'
   89 | int64_t rfflush(RFILE * stream);
      |                 ~~~~~~~~^~~~~~

packages/emulation/libretro-picodrive/patches/picodrive-02-fix-build-gcc-14-1.patch

@@ -0,0 +1,11 @@
+--- a/pico/carthw/svp/compiler.c	2024-05-23 07:19:59.237513012 +0000
++++ b/pico/carthw/svp/compiler.c	2024-05-23 07:19:48.767443545 +0000
+@@ -1797,7 +1797,7 @@
+ 
+ 	if (tcache_ptr - (u32 *)tcache > DRC_TCACHE_SIZE/4) {
+ 		elprintf(EL_ANOMALY|EL_STATUS|EL_SVP, "tcache overflow!\n");
+-		fflush(stdout);
++		fflush((RFILE *)stdout);
+ 		exit(1);
+ 	}
+