Adjust ld ctf test for 32-bit targets

powerpc-linux, and I suspect other 32-bit targets, report "aligned at
0x4" for this test.

	* testsuite/ld-ctf/nonrepresentable.d: Accept any alignment.
diff --git a/ld/testsuite/ld-ctf/nonrepresentable.d b/ld/testsuite/ld-ctf/nonrepresentable.d
index 610558f..fa3fdca 100644
--- a/ld/testsuite/ld-ctf/nonrepresentable.d
+++ b/ld/testsuite/ld-ctf/nonrepresentable.d
@@ -15,7 +15,7 @@
 #...
   Function objects:
 #...
-    foo -> 0x[0-9]*: \(kind 5\) int \(\*\) \(\(nonrepresentable type.*\)\) \(aligned at 0x8\)
+    foo -> 0x[0-9]*: \(kind 5\) int \(\*\) \(\(nonrepresentable type.*\)\) \(aligned at .*\)
 #...
   Types:
 #...