bzip2: add so.1 link

In addition to the .so link add a .so.1 link for the target rootfs.

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/bzip2/bzip2.mk

@@ -59,6 +59,7 @@ define BZIP2_INSTALL_TARGET_CMDS
 	cp $(@D)/libbz2.so.$(BZIP2_SONAME) $(TARGET_DIR)/usr/lib/
 	(cd $(TARGET_DIR)/usr/lib; \
 		ln -snf libbz2.so.$(BZIP2_SONAME) libbz2.so.1.0; \
+		ln -snf libbz2.so.$(BZIP2_SONAME) libbz2.so.1; \
 		ln -snf libbz2.so.$(BZIP2_SONAME) libbz2.so; \
 	)
 	(cd $(TARGET_DIR)/usr/bin; \
@@ -102,4 +103,4 @@ define HOST_BZIP2_INSTALL_CMDS
 endef
 
 $(eval $(call GENTARGETS))
-$(eval $(call GENTARGETS,host))
+$(eval $(call GENTARGETS,host))