t: replace pulls with merges

This is what the code intended.

No functional changes.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t9500-gitweb-standalone-no-errors.sh

@@ -328,7 +328,7 @@ test_expect_success \
 	 git add b &&
 	 git commit -a -m "On branch" &&
 	 git checkout master &&
-	 git pull . b &&
+	 git merge b &&
 	 git tag merge_commit'
 
 test_expect_success \