swig: use a relative path for the host swig2.0 symlink's target

An absolute path isn't really necessary and breaks relocating

Signed-off-by: Phil Eichinger <phil@zankapfel.net>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/swig/swig.mk

@@ -25,7 +25,7 @@ SWIG_LICENSE_FILES = LICENSE LICENSE-GPL LICENSE-UNIVERSITIES
 # swig, so that our swig always gets used.
 
 define HOST_SWIG_INSTALL_SYMLINK
-	ln -fs $(HOST_DIR)/usr/bin/swig $(HOST_DIR)/usr/bin/swig$(SWIG_VERSION_MAJOR)
+	ln -fs swig $(HOST_DIR)/usr/bin/swig$(SWIG_VERSION_MAJOR)
 endef
 
 HOST_SWIG_POST_INSTALL_HOOKS += HOST_SWIG_INSTALL_SYMLINK