[lasem/wip/meson: 1/3] tests: fix sign mismatch warning

[Emmanuel Pacaud <emmanuel src gnome org>]

commit e3bb666a6c087705789ead06a9f7028805c59bf2
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Mon May 27 16:16:55 2019 +0200

    tests: fix sign mismatch warning

 tests/lsmtest.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/tests/lsmtest.c b/tests/lsmtest.c
index 5783022..55fbbb9 100644
--- a/tests/lsmtest.c
+++ b/tests/lsmtest.c
@@ -30,8 +30,6 @@
  *         Carl Worth <cworth cworth org>
  */
 
-#include "config.h"
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -254,7 +252,7 @@ lasem_test_render (char const *filename, gboolean compare, gboolean dry_run, gbo
        cairo_t *cairo;
        cairo_surface_t *surface;
        char *buffer = NULL;
-       gssize size;
+       gsize size;
        char *png_filename;
        char *reference_png_filename;
        char *test_name;