[source] bzip2: add symlink to binary

[LEDE Commits]

jow pushed a commit to source.git, branch lede-17.01:
https://git.lede-project.org/ea23ba9a250714302e9fc21bfc52293b3cddfddd

commit ea23ba9a250714302e9fc21bfc52293b3cddfddd
Author: Daniel Golle <daniel at makrotopia.org>
AuthorDate: Wed Jul 5 16:25:23 2017 +0200

    bzip2: add symlink to binary
    
    Other distributions incl. the OpenWrt ImageBuilder and SDK
    expect to find the bzip2 executable in /bin.
    Create a symlink at that location for compatibility.
    
    Signed-off-by: Daniel Golle <daniel at makrotopia.org>
    (cherry picked from commit eb7c14d512482e18d05f61afa44205167ea094c0)
---
 package/utils/bzip2/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/utils/bzip2/Makefile b/package/utils/bzip2/Makefile
index c17dee1..62c255a 100644
--- a/package/utils/bzip2/Makefile
+++ b/package/utils/bzip2/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=bzip2
 PKG_VERSION:=1.0.6
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://www.bzip.org/$(PKG_VERSION)
@@ -82,6 +82,8 @@ endef
 define Package/bzip2/install
 	$(INSTALL_DIR) $(1)/usr/bin/
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/bzip2-shared $(1)/usr/bin/bzip2
+	$(INSTALL_DIR) $(1)/bin/
+	$(LN) ../usr/bin/bzip2 $(1)/bin/bzip2
 endef
 
 HOST_CFLAGS += \