avr.md (addqi3): Revert glitch in insn attribute introduced in r238381.

	* config/avr/avr.md (addqi3) [cc]: Revert glitch in insn attribute
	introduced in r238381.

From-SVN: r238851

gcc/ChangeLog

+2016-07-29  Georg-Johann Lay  <avr@gjlay.de>
+
+	* config/avr/avr.md (addqi3) [cc]: Revert glitch in insn attribute
+	introduced in r238381.
+
 2016-07-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
 
 	PR middle-end/68217

gcc/config/avr/avr.md

@@ -1160,7 +1160,7 @@
 	inc %0\;inc %0
 	dec %0\;dec %0"
   [(set_attr "length" "1,1,1,1,2,2")
-   (set_attr "cc" "set_czn,set_czn,set_vzn,set_vzn,set_zn,set_zn")])
+   (set_attr "cc" "set_czn,set_czn,set_vzn,set_vzn,set_vzn,set_vzn")])
 
 ;; "addhi3"
 ;; "addhq3" "adduhq3"