War on whitespace

This uses "git-apply --whitespace=strip" to fix whitespace errors that have
crept in to our source files over time.  There are a few files that need
to have trailing whitespaces (most notably, test vectors).  The results
still passes the test, and build result in Documentation/ area is unchanged.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

http.c

@@ -137,7 +137,7 @@ static int http_options(const char *var, const char *value)
 		return 0;
 	}
 
-#ifdef USE_CURL_MULTI	
+#ifdef USE_CURL_MULTI
 	if (!strcmp("http.maxrequests", var)) {
 		if (max_requests == -1)
 			max_requests = git_config_int(var, value);