cad/librnd: update to 3.2.0

ChangeLog: http://www.repo.hu/projects/librnd/releases/changelog-3.2.0.txt

PR:	265283
Reported by:	fuz@fuz.su (maintainer)

cad/librnd/files/patch-tests_librnd_librnd__test.c

+Index: tests/librnd/librnd_test.c
+===================================================================
+--- tests/librnd/librnd_test.c.orig	2021-06-11 15:14:52 UTC
++++ tests/librnd/librnd_test.c
+@@ -22,12 +22,23 @@ static void poly_test()
+ 	rnd_poly_valid(&pa);
+ }
+ 
++/* workaround for symbols missing out because of the static linking done with
++   the test app. Won't ever happen to real apps as they don't static link */
++#include <librnd/core/pixmap.h>
++static void (*workaround_fn)();
++static void librnd_test_symbol_workaround(void)
++{
++	workaround_fn = rnd_pixmap_reg_import;
++}
++
+ int main(int argc, char *argv[])
+ {
+ 	int n;
+ 	rnd_main_args_t ga;
+ 
+ 	rnd_app.default_embedded_menu = "";
++
++	librnd_test_symbol_workaround();
+ 
+ 	rnd_fix_locale_and_env();
+