libjpeg: bump to version 9b

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libjpeg/libjpeg.hash

@@ -1,2 +1,2 @@
 # locally computed hash
-sha256 3a753ea48d917945dd54a2d97de388aa06ca2eb1066cbfdc6652036349fe05a7 jpegsrc.v9a.tar.gz
+sha256	240fd398da741669bf3c90366f58452ea59041cacc741a489b99f2f6a0bad052	jpegsrc.v9b.tar.gz

package/libjpeg/libjpeg.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBJPEG_VERSION = 9a
+LIBJPEG_VERSION = 9b
 LIBJPEG_SITE = http://www.ijg.org/files
 LIBJPEG_SOURCE = jpegsrc.v$(LIBJPEG_VERSION).tar.gz
 LIBJPEG_LICENSE = jpeg-license (BSD-3c-like)