python3: re-enable both debug symbols and optimization

These were apparently accidentally disabled on all non-WNT platforms.
Set the OPT variable from the outside on the platform that needs it.
(regression from ab41efc81ec26fcbd4cdeb9c36fbe8cc274523f)

Change-Id: Ifbf7ec8e0f863cb6368758571496c8b615e3e814

python3/python-3.3.0-aix.patch.1

@@ -33,15 +33,6 @@ build with GCC on AIX
  	  INSTSONAME="$LDLIBRARY".$SOVERSION
  	  if test "$with_pydebug" != yes
            then
-@@ -6169,7 +6175,7 @@
- 		# debug builds.
- 		OPT="-g -O0 -Wall $STRICT_PROTO"
- 	    else
--		OPT="-g $WRAP -O3 -Wall $STRICT_PROTO"
-+		OPT="$WRAP -O0 -Wall $STRICT_PROTO"
- 	    fi
- 	    ;;
- 	*)
 @@ -8301,8 +8307,13 @@
  then
  	case $ac_sys_system/$ac_sys_release in