- Free str, in case it is allocated.

This commit was SVN r9232.

ompi/proc/proc.c

@@ -459,7 +459,7 @@ CLEANUP:
 static void callback(orte_gpr_notify_data_t *data, void *cbdata)
 {
     size_t i, j, k;
-    char *str;
+    char *str = NULL;
     uint32_t arch = 0, *ui32;
     bool found_name, found_arch;
     orte_ns_cmp_bitmask_t mask;
@@ -535,6 +535,10 @@ static void callback(orte_gpr_notify_data_t *data, void *cbdata)
         }
     }
 
+    if (NULL != str) {
+        free(str);
+    }
+
     /* unlock */
     OPAL_THREAD_UNLOCK(&ompi_proc_lock);
 }