Revert "ignore leading empty lines in HTTP requests (RFC2616)"

This reverts d13a3c8d2a commit.

TODO

@@ -149,5 +149,4 @@ Todo for 1.2
   activity on the buffer's pointers from touching the buffer page itself.
 - make buffer size configurable in global options
 * monitor number of simultaneous sessions in logs (per srv/inst/global)
-* ignore leading empty lines in HTTP requests
 

haproxy.c

@@ -3308,32 +3308,6 @@ int process_cli(struct session *t) {
 	    
 	    if (ptr == req->h) { /* empty line, end of headers */
 		int line, len;
-
-		/*
-		 * first, let's check that it's not a leading empty line, in
-		 * which case we'll ignore and remove it (according to RFC2616).
-		 */
-		if (req->h == req->data) {
-		    /* to get a complete header line, we need the ending \r\n, \n\r, \r or \n too */
-		    if (ptr > req->r - 2) {
-			/* this is a partial header, let's wait for more to come */
-			req->lr = ptr;
-			break;
-		    }
-
-		    /* now we know that *ptr is either \r or \n,
-		     * and that there are at least 1 char after it.
-		     */
-		    if ((ptr[0] == ptr[1]) || (ptr[1] != '\r' && ptr[1] != '\n'))
-			req->lr = ptr + 1; /* \r\r, \n\n, \r[^\n], \n[^\r] */
-		    else
-			req->lr = ptr + 2; /* \r\n or \n\r */
-		    /* ignore empty leading lines */
-		    buffer_replace2(req, req->h, req->lr, NULL, 0);
-		    req->h = req->lr;
-		    continue;
-		}
-
 		/* we can only get here after an end of headers */
 		/* we'll have something else to do here : add new headers ... */