lzo: build shared library for host and target

Based on patch by Michael J. Hammel.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/lzo/lzo.mk

@@ -6,6 +6,8 @@
 LZO_VERSION:=2.03
 LZO_SOURCE:=lzo-$(LZO_VERSION).tar.gz
 LZO_SITE:=http://www.oberhumer.com/opensource/lzo/download
+LZO_CONF_OPT = --enable-shared
+HOST_LZO_CONF_OPT = --enable-shared
 LZO_AUTORECONF = NO
 
 # lzo's configure was generated by an old autoconf, and the