The apu_dso_load() function accepts a NULL dlhandleptr. Avoid

a segfault when we try load a module twice.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1926595 13f79535-47bb-0310-9956-ffa450edef68

Author: minfrin

util-misc/apu_dso.c

@@ -146,7 +146,9 @@ apr_status_t apu_dso_load(apr_dso_handle_t **dlhandleptr,
 
     entry = apr_hash_get(dsos, module, APR_HASH_KEY_STRING);
     if (entry) {
-        *dlhandleptr = entry->handle;
+        if (dlhandleptr) {
+            *dlhandleptr = entry->handle;
+        }
         *dsoptr = entry->sym;
         return APR_EINIT;
     }