Font::render(): bind buffer before setting vertex attribute pointer

src/gui/Font.h

@@ -23,8 +23,8 @@ namespace jes
             {
                 glBindTexture(GL_TEXTURE_2D, m_texture_id);
                 glEnableVertexAttribArray(0);
-                glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, 0);
                 glBindBuffer(GL_ARRAY_BUFFER, m_vbo_id);
+                glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, 0);
                 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
             }
         protected: