intel: add support for using API_OPENGL_CORE

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/mesa/drivers/dri/intel/intel_extensions.c

@@ -44,7 +44,7 @@ intelInitExtensions(struct gl_context *ctx)
 
    ctx->Extensions.ARB_draw_elements_base_vertex = true;
    ctx->Extensions.ARB_explicit_attrib_location = true;
-   if (ctx->API == API_OPENGL)
+   if (_mesa_is_desktop_gl(ctx))
       ctx->Extensions.ARB_framebuffer_object = true;
    ctx->Extensions.ARB_half_float_pixel = true;
    ctx->Extensions.ARB_map_buffer_range = true;