more of the same

src/os/gfx/linux/os_gfx_linux.c

@@ -1,6 +1,11 @@
 // Copyright (c) 2024 Epic Games Tools
 // Licensed under the MIT license (https://opensource.org/license/mit/)
 
+////////////////////////////////
+//~ rjf: Prototypes (which seem to sometimes be missing)
+
+int XLookupString(XKeyEvent *event_struct, char *buffer_return, int bytes_buffer, KeySym *keysym_return, XComposeStatus *status_in_out);
+
 ////////////////////////////////
 //~ rjf: Helpers