Added suppression for failure on opensuse 64 bit.

mysql-test/valgrind.supp

@@ -546,6 +546,19 @@
    fun:_dl_signal_error
 }
 
+{
+   dlsym memory loss from plugin
+   Memcheck:Leak
+   obj:/lib*/ld-*.so
+   obj:/lib*/ld-*.so
+   obj:/lib*/ld-*.so
+   obj:/lib*/libc-*.so
+   obj:/lib*/libdl-*.so
+   obj:/lib*/ld-*.so
+   obj:/lib*/libdl-*.so
+   fun:dlsym
+}
+
 #
 # Reading wrong addresses on SuSe Linux 10.3 32 bit
 #