rhbz#809466 change soname of bundled redland libs

--- a/src/Makefile.in	2023-03-02 02:58:09.000000000 +0900
+++ b/src/Makefile.in	2024-01-06 13:59:13.424477428 +0900
@@ -783,7 +783,7 @@
 	$(am__append_24) $(am__append_25) $(am__append_26) \
 	$(am__append_27) $(am__append_28)
 libraptor2_la_LIBADD = $(am__append_31) @LTLIBOBJS@
-libraptor2_la_LDFLAGS = -version-info @RAPTOR_LIBTOOL_VERSION@ \
+libraptor2_la_LDFLAGS = -version-info @RAPTOR_LIBTOOL_VERSION@ -release lo \
 @RAPTOR_LDFLAGS@ $(MEM_LIBS)
 
 EXTRA_DIST = \
