whitespace: have SP on both sides of an assignment "="

I've deliberately excluded the borrowed code in compat/nedmalloc
directory.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/remote.c b/builtin/remote.c
index 9ff1cac..1fb441c 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -1113,7 +1113,7 @@
 			url = states.remote->url;
 			url_nr = states.remote->url_nr;
 		}
-		for (i=0; i < url_nr; i++)
+		for (i = 0; i < url_nr; i++)
 			printf("  Push  URL: %s\n", url[i]);
 		if (!i)
 			printf("  Push  URL: %s\n", "(no URL)");