Update NEWS

Author: zdohnal

NEWS

@@ -11,6 +11,7 @@
 - use utf-8 in fdopen() (https://github.com/zdohnal/system-config-printer/pull/112)
 - Fallback to using LC_CTYPE if LC_MESSAGES is empty and fix _language use (https://github.com/zdohnal/system-config-printer/pull/108)
 - Update de.po (https://github.com/zdohnal/system-config-printer/pull/106)
+- Fix TypeError raised by debugprint call (https://github.com/zdohnal/system-config-printer/pull/121)
 
 1.5.10 changes
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