Remove usage of pointless COOKIE_SET_COOKIE constant.

ext/session/session.c

@@ -1355,7 +1355,7 @@ static void php_session_send_cookie(TSRMLS_D) /* {{{ */
 	e_session_name = php_url_encode(PS(session_name), strlen(PS(session_name)), NULL);
 	e_id = php_url_encode(PS(id), strlen(PS(id)), NULL);
 
-	smart_str_appends(&ncookie, COOKIE_SET_COOKIE);
+	smart_str_appends(&ncookie, "Set-Cookie: ");
 	smart_str_appends(&ncookie, e_session_name);
 	smart_str_appendc(&ncookie, '=');
 	smart_str_appends(&ncookie, e_id);

ext/standard/head.c

@@ -117,10 +117,10 @@ PHPAPI int php_setcookie(char *name, int name_len, char *value, int value_len, t
 		 * pick an expiry date in the past
 		 */
 		dt = php_format_date("D, d-M-Y H:i:s T", sizeof("D, d-M-Y H:i:s T")-1, 1, 0 TSRMLS_CC);
-		snprintf(cookie, len + 100, "%s%s=deleted; expires=%s; Max-Age=0", COOKIE_SET_COOKIE, name, dt);
+		snprintf(cookie, len + 100, "Set-Cookie: %s=deleted; expires=%s; Max-Age=0", name, dt);
 		efree(dt);
 	} else {
-		snprintf(cookie, len + 100, "%s%s=%s", COOKIE_SET_COOKIE, name, value ? encoded_value : "");
+		snprintf(cookie, len + 100, "Set-Cookie: %s=%s", name, value ? encoded_value : "");
 		if (expires > 0) {
 			const char *p;
 			char tsdelta[13];

ext/standard/head.h

@@ -21,7 +21,6 @@
 #ifndef HEAD_H
 #define HEAD_H
 
-#define COOKIE_SET_COOKIE "Set-Cookie: "
 #define COOKIE_EXPIRES    "; expires="
 #define COOKIE_MAX_AGE    "; Max-Age="
 #define COOKIE_DOMAIN     "; domain="