check_dig is case sensitive (#1233)

[stirnim]

check_dig is case sensitive about the query answer which leads to a warning:
Server not found in ANSWER SECTION.

See verbose output:
/usr/lib/nagios/plugins/check_dig -H dns-cache2.switch.ch -vvvv -l
6to4-relay.switch.ch
/usr/bin/dig @dns-cache2.switch.ch -p 53 6to4-relay.switch.ch -t A 
Looking for: '6to4-relay.switch.ch'
;; ANSWER SECTION:
6TO4-RELAY.switch.ch.	81981	IN	A	130.59.31.253

;; AUTHORITY SECTION:
switch.ch.		2221	IN	NS	ns2.switch.ch.
switch.ch.		2221	IN	NS	scsnms.switch.ch.

;; ADDITIONAL SECTION:
ns2.switch.ch.		160647	IN	A	130.59.138.49
ns2.switch.ch.		160647	IN	AAAA   
2001:620:0:1b:5054:ff:fe74:8780
scsnms.switch.ch.	160647	IN	A	130.59.1.30
scsnms.switch.ch.	160647	IN	A	130.59.10.30
scsnms.switch.ch.	160647	IN	AAAA	2001:620::1

;; Query time: 12 msec
;; SERVER: 2001:620:0:ff::3#53(2001:620:0:ff::3)
;; WHEN: Fri Feb  7 12:42:51 2014
;; MSG SIZE  rcvd: 208

DNS WARNING - 0.033 seconds response time (Server not found in ANSWER
SECTION)|time=0.033127s;;;0.000000



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Reply to this email on GitHub:
https://github.com/monitoring-plugins/monitoring-plugins/issues/1233
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