verify-bashisms: fix typo

Variable was renamed, it's now called "output".

(From OE-Core rev: c3d125b4132e5a706f6265a5bcaedafbe8e5355f)

Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/verify-bashisms

@@ -41,7 +41,7 @@ def process(recipe, function, script):
 
         # Replace the temporary filename with the function and split it
         output = e.output.replace(fn.name, function).splitlines()
-        if len(results) % 2 != 0:
+        if len(output) % 2 != 0:
             print("Unexpected output from checkbashism: %s" % str(output))
             return