mesa: rename _mesa_free_errors_data

Use the _mesa_init_XXX / _mesa_destroy_XXX pattern to clearly associate
the 2 functions.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5789>
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index be2e7df..d1949ad 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1386,7 +1386,7 @@
    /* needs to be after freeing shared state */
    _mesa_free_display_list_data(ctx);
 
-   _mesa_free_errors_data(ctx);
+   _mesa_destroy_debug_output(ctx);
 
    free((void *)ctx->Extensions.String);
 
diff --git a/src/mesa/main/debug_output.c b/src/mesa/main/debug_output.c
index 3f1ca8b..6d4c8e7 100644
--- a/src/mesa/main/debug_output.c
+++ b/src/mesa/main/debug_output.c
@@ -1281,7 +1281,7 @@
 
 
 void
-_mesa_free_errors_data(struct gl_context *ctx)
+_mesa_destroy_debug_output(struct gl_context *ctx)
 {
    if (ctx->Debug) {
       debug_destroy(ctx->Debug);
diff --git a/src/mesa/main/debug_output.h b/src/mesa/main/debug_output.h
index 8a5eedc..e467b08 100644
--- a/src/mesa/main/debug_output.h
+++ b/src/mesa/main/debug_output.h
@@ -43,7 +43,7 @@
 _mesa_init_debug_output(struct gl_context *ctx);
 
 void
-_mesa_free_errors_data(struct gl_context *ctx);
+_mesa_destroy_debug_output(struct gl_context *ctx);
 
 void
 _mesa_debug_get_id(GLuint *id);