configure: try to fix the failing taglib checks (part2)

mythtv/configure

@@ -4887,9 +4887,10 @@ if enabled taglib; then
         fi
         tagprefix=`taglib-config --prefix`
         tagincludes="-I${tagprefix}/include"
+        taglibs=`taglib-config --libs`
     fi
 
-    if test $taglib_minor -lt 6 || ! check_lib_cpp taglib/fileref.h TagLib::FileRef -ltag -lz $tagincludes ; then
+    if test $taglib_minor -lt 6 || ! check_lib_cpp taglib/fileref.h TagLib::FileRef $tagincludes $taglibs; then
         die "ERROR: cannot find taglib 1.6 or later."
     fi
 fi