Don't filter Cache-Control out in replies from backend.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@797 d4fa192b-c00b-0410-8231-f00ffab90ce4

include/http_headers.h

@@ -34,7 +34,7 @@ HTTPH("Accept-Ranges",		H_Accept_Ranges,	2, 3, HTTPH_R_PASS|HTTPH_A_PASS|HTTPH_R
 HTTPH("Age",			H_Age,			2, 0, 0, 0, 0)	/* RFC2616 14.6 */
 HTTPH("Allow",			H_Allow,		2, 0, 0, 0, 0)	/* RFC2616 14.7 */
 HTTPH("Authorization",		H_Authorization,	1, 0, 0, 0, 0)	/* RFC2616 14.8 */
-HTTPH("Cache-Control",		H_Cache_Control,	3, 3, HTTPH_R_PASS|HTTPH_A_PASS|HTTPH_R_FETCH|HTTPH_A_INS, 0, 0)	/* RFC2616 14.9 */
+HTTPH("Cache-Control",		H_Cache_Control,	3, 3, HTTPH_R_PASS|HTTPH_R_FETCH, 0, 0)	/* RFC2616 14.9 */
 HTTPH("Connection",		H_Connection,		3, 3, HTTPH_R_PASS|HTTPH_A_PASS|HTTPH_R_FETCH|HTTPH_A_INS, 0, 0)	/* RFC2616 14.10 */
 HTTPH("Content-Encoding",	H_Content_Encoding,	2, 0, 0, 0, 0)	/* RFC2616 14.11 */
 HTTPH("Content-Langugae",	H_Content_Language,	2, 0, 0, 0, 0)	/* RFC2616 14.12 */