lua: link library with -Bsymbolic-functions

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45509

package/utils/lua/patches/040-use-symbolic-functions.patch

@@ -0,0 +1,11 @@
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -56,7 +56,7 @@ $(LUA_A): $(CORE_O) $(LIB_O)
+ 	$(RANLIB) $@
+ 
+ $(LUA_SO): $(CORE_O) $(LIB_O)
+-	$(CC) -o $@.$(PKG_VERSION) -shared -Wl,-soname="$@.$(PKG_VERSION)" $?
++	$(CC) -o $@.$(PKG_VERSION) -Wl,-Bsymbolic-functions -shared -Wl,-soname="$@.$(PKG_VERSION)" $?
+ 	ln -fs $@.$(PKG_VERSION) $@
+ 
+ $(LUA_T): $(LUA_O) $(LUA_SO)