Fix a warning

diff --git a/modules/video_output/opengl.c b/modules/video_output/opengl.c
index 170f38c4cb671a676a5c346276d5103ca7e6438c..0d07c699b5df3f6cba98abeecb1e2e64cd27edd2 100644 (file)
--- a/modules/video_output/opengl.c
+++ b/modules/video_output/opengl.c
@@ -425,7 +425,8 @@ int vout_display_opengl_Display(vout_display_opengl_t *vgl,
 #if VLCGL_TARGET == GL_TEXTURE_2D
     const float f_normw = vgl->tex_width;
     const float f_normh = vgl->tex_height;
-#elif VLCGL_TARGET == GL_TEXTURE_RECTANGLE_EXT
+#elif defined (GL_TEXTURE_RECTABLE_EXT) \
+   && (VLCGL_TARGET == GL_TEXTURE_RECTANGLE_EXT)
     const float f_normw = 1.0;
     const float f_normh = 1.0;
 #else