re PR bootstrap/41818 (Error building cross compiler caused by changing LD_LIBRARY_PATH environment variable in Makefile)

Fix PR bootstrap/41818.

/:
	PR bootstrap/41818
	* Makefile.tpl (BASE_TARGET_EXPORTS): Only add TARGET_LIB_PATH
	to $(RPATH_ENVVAR) if bootstrapping.  Fix typo in comment.
	* Makefile.in: Regenerate.

From-SVN: r155706