name of file specified in --conf-path was not honored during installation
the bug had been appeared in r1353

auto/install

diff --git a/auto/install b/auto/install
index c17dac6..f876891 100644
--- a/auto/install
+++ b/auto/install
@@ -102,7 +102,7 @@
 		'\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi_params.default'
 
 	test -f '\$(DESTDIR)$NGX_CONF_PATH' \
-		|| cp conf/nginx.conf '\$(DESTDIR)$NGX_CONF_PREFIX'
+		|| cp conf/nginx.conf '\$(DESTDIR)$NGX_CONF_PATH'
 	cp conf/nginx.conf '\$(DESTDIR)$NGX_CONF_PREFIX/nginx.conf.default'
 
 	test -d '\$(DESTDIR)`dirname "$NGX_PID_PATH"`' \