FATE: convert output to rgba for the targa tests which currently output pal8

fixes the tests on big-endian systems

tests/fate/image.mak

@@ -49,12 +49,12 @@ FATE_TESTS += $(FATE_TARGA)
 fate-targa: $(FATE_TARGA)
 
 fate-targa-conformance-CBW8:  CMD = framecrc -i $(SAMPLES)/targa-conformance/CBW8.TGA
-fate-targa-conformance-CCM8:  CMD = framecrc -i $(SAMPLES)/targa-conformance/CCM8.TGA
+fate-targa-conformance-CCM8:  CMD = framecrc -i $(SAMPLES)/targa-conformance/CCM8.TGA  -pix_fmt rgba
 fate-targa-conformance-CTC16: CMD = framecrc -i $(SAMPLES)/targa-conformance/CTC16.TGA -pix_fmt rgb555le
 fate-targa-conformance-CTC24: CMD = framecrc -i $(SAMPLES)/targa-conformance/CTC24.TGA
 fate-targa-conformance-CTC32: CMD = framecrc -i $(SAMPLES)/targa-conformance/CTC32.TGA -pix_fmt bgra
 fate-targa-conformance-UBW8:  CMD = framecrc -i $(SAMPLES)/targa-conformance/UBW8.TGA
-fate-targa-conformance-UCM8:  CMD = framecrc -i $(SAMPLES)/targa-conformance/UCM8.TGA
+fate-targa-conformance-UCM8:  CMD = framecrc -i $(SAMPLES)/targa-conformance/UCM8.TGA  -pix_fmt rgba
 fate-targa-conformance-UTC16: CMD = framecrc -i $(SAMPLES)/targa-conformance/UTC16.TGA -pix_fmt rgb555le
 fate-targa-conformance-UTC24: CMD = framecrc -i $(SAMPLES)/targa-conformance/UTC24.TGA
 fate-targa-conformance-UTC32: CMD = framecrc -i $(SAMPLES)/targa-conformance/UTC32.TGA -pix_fmt bgra

tests/ref/fate/targa-conformance-CCM8

@@ -1 +1 @@
-0, 0, 17408, 0x2bc2e306
+0, 0, 65536, 0xcf98bc29

tests/ref/fate/targa-conformance-UCM8

@@ -1 +1 @@
-0, 0, 17408, 0x2bc2e306
+0, 0, 65536, 0xcf98bc29