mesa: _mesa_program_state_string() returns char *, not const char *.
diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h
index 0a1c235..7b490e3 100644
--- a/src/mesa/shader/prog_statevars.h
+++ b/src/mesa/shader/prog_statevars.h
@@ -129,7 +129,7 @@
 _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]);
 
 
-extern const char *
+extern char *
 _mesa_program_state_string(const gl_state_index state[STATE_LENGTH]);