rewrite_libtool: rewrite more host paths

nfs-utils complained during link about missing /usr/lib/libblkid.la
A check found that libmount.la had
dependency_libs=' -L<TARGET>/root/lib -L<TARGET>/root/usr/lib
   /usr/lib/libblkid.la'
This is wrong and installing util-linux-devel on the host is not the
proper-fix ;-)
Rewrite these hard-coded paths to generic "-l<libname>" instead.

package/pkg-utils.mk

@@ -690,7 +690,8 @@ endef
 # rewrite libtool libraries
 REWRITE_LIBTOOL_RULES = "\
 	s,^libdir=.*,libdir='$(1)',; \
-	s,\(^dependency_libs='\| \|-L\|^dependency_libs='\)/lib,\ $(1),g"
+	s,\(^dependency_libs='\| \|-L\|^dependency_libs='\)/lib,\ $(1),; \
+	/^dependency_libs=/s, /usr/lib/lib\([^ ]*\).la, -l\1,g; "
 
 REWRITE_LIBTOOL_TAG = rewritten=1