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>

builtin/remote.c

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)");

commit.c

diff --git a/commit.c b/commit.c
index ac337c7..913dbab 100644
--- a/commit.c
+++ b/commit.c
@@ -515,7 +515,7 @@
 
 		commit = work_item->item;
 		for (parents = commit->parents; parents ; parents = parents->next) {
-			struct commit *parent=parents->item;
+			struct commit *parent = parents->item;
 
 			if (!parent->indegree)
 				continue;

http-push.c

diff --git a/http-push.c b/http-push.c
index 6e8f6d0..376331a 100644
--- a/http-push.c
+++ b/http-push.c
@@ -1655,7 +1655,7 @@
 		return error("Remote HEAD is not a symref");
 
 	/* Remote branch must not be the remote HEAD */
-	for (i=0; symref && i<MAXDEPTH; i++) {
+	for (i = 0; symref && i < MAXDEPTH; i++) {
 		if (!strcmp(remote_ref->name, symref))
 			return error("Remote branch %s is the current HEAD",
 				     remote_ref->name);

read-cache.c

diff --git a/read-cache.c b/read-cache.c
index 4ac9a03..0a64103 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -1087,7 +1087,7 @@
 {
 	if (in_porcelain && *first && header_msg) {
 		printf("%s\n", header_msg);
-		*first=0;
+		*first = 0;
 	}
 	printf(fmt, name);
 }