fate: use -profile:a aac_ltp instead of -aac_ltp 1 for LTP encode test

The fate test command line is supposed to serve as an example. It's
nicer to explicitly state the profile rather than setting options
to force it for you.

tests/fate/aac.mak

@@ -205,7 +205,7 @@ fate-aac-ms-encode: SIZE_TOLERANCE = 3560
 fate-aac-ms-encode: FUZZ = 10
 
 FATE_AAC_ENCODE += fate-aac-ltp-encode
-fate-aac-ltp-encode: CMD = enc_dec_pcm adts wav s16le $(TARGET_SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav -strict -2 -c:a aac -aac_pns 0 -aac_is 0 -aac_ms 0 -aac_ltp 1 -aac_tns 0 -b:a 82k -cutoff 22050
+fate-aac-ltp-encode: CMD = enc_dec_pcm adts wav s16le $(TARGET_SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav -strict -2 -c:a aac -profile:a aac_ltp -aac_pns 0 -aac_is 0 -aac_ms 0 -aac_tns 0 -b:a 82k -cutoff 22050
 fate-aac-ltp-encode: CMP = stddev
 fate-aac-ltp-encode: REF = $(SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav
 fate-aac-ltp-encode: CMP_SHIFT = -4096