fate: add dependencies for misc microsoft codecs

Signed-off-by: Mans Rullgard <mans@mansr.com>

tests/fate/microsoft.mak

-FATE_SAMPLES_AVCONV += fate-msmpeg4v1
+FATE_SAMPLES_AVCONV-$(call DEMDEC, AVI, MSMPEG4V1) += fate-msmpeg4v1
 fate-msmpeg4v1: CMD = framecrc -flags +bitexact -dct fastint -idct simple -i $(SAMPLES)/msmpeg4v1/mpg4.avi -an
 
 FATE_MSVIDEO1 += fate-msvideo1-16bit
@@ -7,7 +7,7 @@ fate-msvideo1-16bit: CMD = framecrc -i $(SAMPLES)/cram/clock-cram16.avi -pix_fmt
 FATE_MSVIDEO1 += fate-msvideo1-8bit
 fate-msvideo1-8bit: CMD = framecrc -i $(SAMPLES)/cram/skating.avi -t 1 -pix_fmt rgb24
 
-FATE_SAMPLES_AVCONV += $(FATE_MSVIDEO1)
+FATE_SAMPLES_AVCONV-$(call DEMDEC, AVI, MSVIDEO1) += $(FATE_MSVIDEO1)
 fate-msvideo1: $(FATE_MSVIDEO1)
 
 FATE_WMV8_DRM += fate-wmv8-drm
@@ -17,7 +17,7 @@ fate-wmv8-drm: CMD = framecrc -cryptokey 137381538c84c068111902a59c5cf6c340247c3
 FATE_WMV8_DRM += fate-wmv8-drm-nodec
 fate-wmv8-drm-nodec: CMD = framecrc -cryptokey 137381538c84c068111902a59c5cf6c340247c39 -i $(SAMPLES)/wmv8/wmv_drm.wmv -acodec copy -vcodec copy
 
-FATE_SAMPLES_AVCONV += $(FATE_WMV8_DRM)
+FATE_SAMPLES_AVCONV-$(call DEMDEC, ASF, WMV3) += $(FATE_WMV8_DRM)
 fate-wmv8_drm: $(FATE_WMV8_DRM)
 
 FATE_VC1 += fate-vc1_sa00040