Reset LDFLAGS variable. Fixed upstream in r17379.
--- src/sdbm/Makefile.SH.orig	2010-03-17 19:08:04.559093208 +0100
+++ src/sdbm/Makefile.SH	2010-03-17 19:08:19.623092585 +0100
@@ -49,6 +49,7 @@
 RANLIB = $ranlib
 RM = $rm -f
 SED = $sed
+LDFLAGS = 
 
 ########################################################################
 # Automatically generated parameters -- do not edit