[librsvg] Remove unused variable

[Federico Mena Quintero <federico src gnome org>]

commit 54351e6a04ee7f707be066d181ea21092de6cb5d
Author: Federico Mena Quintero <federico gnome org>
Date:   Thu Feb 15 18:34:22 2018 -0600

    Remove unused variable

 tests/rsvg-test.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/tests/rsvg-test.c b/tests/rsvg-test.c
index 22e668e4..d58dc732 100644
--- a/tests/rsvg-test.c
+++ b/tests/rsvg-test.c
@@ -278,7 +278,6 @@ rsvg_cairo_check (gconstpointer data)
     RsvgHandle *rsvg;
     RsvgDimensionData dimensions;
     cairo_t *cr;
-    cairo_t *cr2;
     cairo_surface_t *render_surface;
     cairo_surface_t *surface_a, *surface_b, *surface_diff;
     buffer_diff_result_t result;