Alan Coopersmith authored Feb 06, 2016 and Uli Schlachter committed May 29, 2016

Found by clang -Wdocumentation:

./xcbext.h:271:11: warning: parameter 'e' not found in the function
      declaration [-Wdocumentation]
 * @param e Location to store errors in, or NULL. Ignored for un...
          ^
./xcbext.h:271:11: note: did you mean 'error'?
 * @param e Location to store errors in, or NULL. Ignored for un...
          ^
          error

./xcbext.h:283:11: warning: parameter 'e' not found in the function
      declaration [-Wdocumentation]
 * @param e Location to store errors in, or NULL. Ignored for un...
          ^
./xcbext.h:283:11: note: did you mean 'error'?
 * @param e Location to store errors in, or NULL. Ignored for un...
          ^
          error

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Uli Schlachter <psychon@znc.in>