wireshark: bump to version 1.12.6

- Bump to version 1.12.6
- Update hash file

The following vulnerabilities have been fixed in 1.12.6:

 - wnpa-sec-2015-19
   WCCP dissector crash. (Bug 11153)
 - wnpa-sec-2015-20
   GSM DTAP dissector crash. (Bug 11201)

[Thomas: indicate that this is a security related updated in the
commit log, as suggested by Gustavo.]

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/wireshark/wireshark.hash

@@ -1,3 +1,3 @@
-# From https://www.wireshark.org/download/SIGNATURES-1.12.5.txt
-md5	9ee199dde4f36a3d71f7b81dd6764e93	wireshark-1.12.5.tar.bz2
-sha1	379686f0b6355ae2e6b3f7055578317a07ce5590	wireshark-1.12.5.tar.bz2
+# From https://www.wireshark.org/download/SIGNATURES-1.12.6.txt
+md5  25ad2bc1c2a21396827c238fcff51bf3  wireshark-1.12.6.tar.bz2
+sha1  5b592bd0389b76d3bdee6a7336e9492f8162c94d  wireshark-1.12.6.tar.bz2

package/wireshark/wireshark.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-WIRESHARK_VERSION = 1.12.5
+WIRESHARK_VERSION = 1.12.6
 WIRESHARK_SOURCE = wireshark-$(WIRESHARK_VERSION).tar.bz2
 WIRESHARK_SITE = http://www.wireshark.org/download/src/all-versions
 WIRESHARK_LICENSE = wireshark license