[librsvg] drawing_ctx: fix getters

[Federico Mena Quintero <federico src gnome org>]

commit b8b3db5f56b7b1c061124d27d7a52d70a04536e3
Author: Paolo Borelli <pborelli gnome org>
Date:   Mon May 21 15:03:56 2018 +0200

    drawing_ctx: fix getters
    
    C is not rust...

 librsvg/rsvg-drawing-ctx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/librsvg/rsvg-drawing-ctx.c b/librsvg/rsvg-drawing-ctx.c
index 0631927f..03366d93 100644
--- a/librsvg/rsvg-drawing-ctx.c
+++ b/librsvg/rsvg-drawing-ctx.c
@@ -761,13 +761,13 @@ rsvg_drawing_ctx_draw_node_from_stack (RsvgDrawingCtx *ctx,
 double
 rsvg_drawing_ctx_get_width (RsvgDrawingCtx *draw_ctx)
 {
-    draw_ctx->rect.width;
+    return draw_ctx->rect.width;
 }
 
 double
 rsvg_drawing_ctx_get_height (RsvgDrawingCtx *draw_ctx)
 {
-    draw_ctx->rect.height;
+    return draw_ctx->rect.height;
 }
 
 void
@@ -835,7 +835,7 @@ rsvg_drawing_ctx_get_dpi (RsvgDrawingCtx *ctx, double *out_dpi_x, double *out_dp
 gboolean
 rsvg_drawing_ctx_is_testing (RsvgDrawingCtx *ctx)
 {
-    ctx->is_testing;
+    return ctx->is_testing;
 }
 
 cairo_surface_t *