(LDFLAGS): --with-lib-path should add to LDFLAGS,

not replace it.

Rev: src/nettle/configure.ac:1.17

configure.ac

@@ -27,7 +27,7 @@ AC_ARG_WITH(lib-path,
   [with_lib_path=''])
 
 if test x$with_lib_path != x ; then
-  LDFLAGS="-L `echo $with_lib_path | sed 's/:/ -L /g'`"
+  LDFLAGS="$LDFLAGS -L `echo $with_lib_path | sed 's/:/ -L /g'`"
 fi
 
 AC_ARG_ENABLE(public-key,