Replace relative path of libnettle.so with absolute path so the test
program can find it.
Relative paths are not suitable, as the folder strucure for ptest
is different from the one expected by the nettle testsuite.

Upstream-Status: Inappropriate [embedded specific]

Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>

--- a/testsuite/dlopen-test.c	2016-10-01 00:28:38.000000000 -0700
+++ b/testsuite/dlopen-test.c	2017-10-13 11:08:57.227572860 -0700
@@ -9,7 +9,7 @@
 main (int argc UNUSED, char **argv UNUSED)
 {
 #if HAVE_LIBDL
-  void *handle = dlopen ("../libnettle.so", RTLD_NOW);
+  void *handle = dlopen ("/usr/lib/libnettle.so", RTLD_NOW);
   int (*get_version)(void);
   if (!handle)
     {