When the pointer 'from' changes, it's stored length needs to change as
well.

Notified by Frank Kardel <kardel@acm.org> in PR 879.

crypto/conf/conf_def.c

diff --git a/crypto/conf/conf_def.c b/crypto/conf/conf_def.c
index 0451be0..ba2a883 100644
--- a/crypto/conf/conf_def.c
+++ b/crypto/conf/conf_def.c
@@ -632,6 +632,11 @@
 			BUF_MEM_grow_clean(buf,(strlen(p)+buf->length-(e-from)));
 			while (*p)
 				buf->data[to++]= *(p++);
+
+			/* Since we change the pointer 'from', we also have
+			   to change the perceived length of the string it
+			   points at.  /RL */
+			len -= e-from;
 			from=e;
 			}
 		else