staging: rtl8188eu: don't define issue_asocrsp() in non-AP mode
staging: rtl8188eu: don't define issue_asocrsp() in non-AP mode

If CONFIG_88EU_AP_MODE is undefined, issue_asocrsp() is never referenced.

Fixes warning:
  drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:891:13: warning: ‘issue_asocrsp’ defined but not used [-Wunused-function]

Signed-off-by: Luca Ceresoli <a05bd890c4868ea1807f8564055d1fba77c6ba81@lucaceresoli.net>
Fixes: 782eddd748d9 ("staging: rtl8188eu: unexport internal functions")
Cc: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linux.com>
Cc: Larry Finger <ed0f1d78b8c21b2970494a178da4bdfa8beba2a7@lwfinger.net>
Cc: kbuild test robot <24f7fe9d205c8a9f6ade0c2894e14303ca16087f@intel.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs