fate: fix concat demuxer tests on msys/cygwin by using relative paths

Signed-off-by: Marton Balint <cus@passwd.hu>

tests/fate-run.sh

@@ -251,7 +251,7 @@ gapless(){
 
 concat(){
     template=$1
-    sample=$(target_path $2)
+    sample=$2
     mode=$3
     extra_args=$4
 

tests/fate/concatdec.mak

@@ -7,15 +7,15 @@ FATE_CONCAT_DEMUXER_EXTENDED_LAVF-$(call ENCDEC2, MPEG2VIDEO, PCM_S16LE, MXF)  +
 FATE_CONCAT_DEMUXER_EXTENDED_LAVF-$(call ENCDEC2, MPEG2VIDEO, PCM_S16LE, MXF)  += mxf_d10
 
 $(foreach D,$(FATE_CONCAT_DEMUXER_SIMPLE1_LAVF-yes),$(eval fate-concat-demuxer-simple1-lavf-$(D): ffprobe$(PROGSSUF)$(EXESUF) fate-lavf-$(D)))
-$(foreach D,$(FATE_CONCAT_DEMUXER_SIMPLE1_LAVF-yes),$(eval fate-concat-demuxer-simple1-lavf-$(D): CMD = concat $(SRC_PATH)/tests/simple1.ffconcat tests/data/lavf/lavf.$(D)))
+$(foreach D,$(FATE_CONCAT_DEMUXER_SIMPLE1_LAVF-yes),$(eval fate-concat-demuxer-simple1-lavf-$(D): CMD = concat $(SRC_PATH)/tests/simple1.ffconcat ../lavf/lavf.$(D)))
 FATE_CONCAT_DEMUXER-$(CONFIG_CONCAT_DEMUXER) += $(FATE_CONCAT_DEMUXER_SIMPLE1_LAVF-yes:%=fate-concat-demuxer-simple1-lavf-%)
 
 $(foreach D,$(FATE_CONCAT_DEMUXER_SIMPLE2_LAVF-yes),$(eval fate-concat-demuxer-simple2-lavf-$(D): ffprobe$(PROGSSUF)$(EXESUF) fate-lavf-$(D)))
-$(foreach D,$(FATE_CONCAT_DEMUXER_SIMPLE2_LAVF-yes),$(eval fate-concat-demuxer-simple2-lavf-$(D): CMD = concat $(SRC_PATH)/tests/simple2.ffconcat tests/data/lavf/lavf.$(D)))
+$(foreach D,$(FATE_CONCAT_DEMUXER_SIMPLE2_LAVF-yes),$(eval fate-concat-demuxer-simple2-lavf-$(D): CMD = concat $(SRC_PATH)/tests/simple2.ffconcat ../lavf/lavf.$(D)))
 FATE_CONCAT_DEMUXER-$(CONFIG_CONCAT_DEMUXER) += $(FATE_CONCAT_DEMUXER_SIMPLE2_LAVF-yes:%=fate-concat-demuxer-simple2-lavf-%)
 
 $(foreach D,$(FATE_CONCAT_DEMUXER_EXTENDED_LAVF-yes),$(eval fate-concat-demuxer-extended-lavf-$(D): ffprobe$(PROGSSUF)$(EXESUF) fate-lavf-$(D)))
-$(foreach D,$(FATE_CONCAT_DEMUXER_EXTENDED_LAVF-yes),$(eval fate-concat-demuxer-extended-lavf-$(D): CMD = concat $(SRC_PATH)/tests/extended.ffconcat tests/data/lavf/lavf.$(D) md5))
+$(foreach D,$(FATE_CONCAT_DEMUXER_EXTENDED_LAVF-yes),$(eval fate-concat-demuxer-extended-lavf-$(D): CMD = concat $(SRC_PATH)/tests/extended.ffconcat ../lavf/lavf.$(D) md5))
 FATE_CONCAT_DEMUXER-$(CONFIG_CONCAT_DEMUXER) += $(FATE_CONCAT_DEMUXER_EXTENDED_LAVF-yes:%=fate-concat-demuxer-extended-lavf-%)
 
 FATE-$(CONFIG_FFPROBE) += $(FATE_CONCAT_DEMUXER-yes)