The METIS interface from Scotch may segfault if passed NULL to indicate a
default parameter, so use the older calling style.

--- a/SRC/get_perm_c.c	2014-05-16 23:38:30.070835316 -0500
+++ b/SRC/get_perm_c.c	2014-05-16 23:39:04.582836211 -0500
@@ -70,11 +70,13 @@
 #else
 
     /* Earlier version 3.x.x */
-    /* METIS_NodeND(&nm, b_colptr, b_rowind, &numflag, metis_options,
-       perm, iperm);*/
+    METIS_NodeND(&nm, b_colptr, b_rowind, &numflag, metis_options,
+                 perm, iperm);
 
     /* Latest version 4.x.x */
+#if 0
     METIS_NodeND(&nm, b_colptr, b_rowind, NULL, NULL, perm, iperm);
+#endif
 
     /*check_perm_dist("metis perm",  n, perm);*/
 #endif
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<tr><td><span title='2021-12-30 13:41:27 +0100'>2021-12-30</span></td><td><a href='/guix/commit/gnu/packages/instrumentation.scm?id=1758e94c579cdb83f8cb99e84b1816a116aed08a'>gnu: lttng-tools: Update to 2.13.2.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-12-30 13:41:27 +0100'>2021-12-30</span></td><td><a href='/guix/commit/gnu/packages/instrumentation.scm?id=c520c7e6ed7c249e198bda23c2e9cb6a7c6b7bd5'>gnu: lttng-ust: Update to 2.13.1.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
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