WPS: Remove duplicated isgraph() loop in HTTP header parsing

The hbp pointer is moved to the next space already earlier in this code
path, so the while loop here did not really do anything.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/wps/httpread.c

@@ -278,8 +278,6 @@ static int httpread_hdr_analyze(struct httpread *h)
 			}
 		}
 		*uri = 0;       /* null terminate */
-		while (isgraph(*hbp))
-			hbp++;
 		while (*hbp == ' ' || *hbp == '\t')
 			hbp++;
 		/* get version */