matroskadec: fix seek regression tests according to r17460

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@17461 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

tests/seek.regression.ref

@@ -2972,7 +2972,7 @@ ret: 0 st: 0 dts:0.800000 pts:0.800000 pos:259115 size:10844 flags:0
 ret: 0 st: 0 ts:-0.317000 flags:1
 ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:505 size:28088 flags:1
 ret: 0 st: 1 ts:2.577000 flags:0
-ret:-5
+ret:-32
 ret: 0 st: 1 ts:1.471000 flags:1
 ret: 0 st: 1 dts:0.993000 pts:0.993000 pos:329501 size:209 flags:1
 ret: 0 st:-1 ts:0.365002 flags:0
@@ -2980,7 +2980,7 @@ ret: 0 st: 0 dts:0.400000 pts:0.400000 pos:128828 size:9787 flags:0
 ret: 0 st:-1 ts:-0.740831 flags:1
 ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:505 size:28088 flags:1
 ret: 0 st: 0 ts:2.153000 flags:0
-ret:-5
+ret:-32
 ret: 0 st: 0 ts:1.048000 flags:1
 ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:301381 size:27897 flags:1
 ret: 0 st: 1 ts:-0.058000 flags:0
@@ -2988,7 +2988,7 @@ ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:505 size:28088 flags:1
 ret: 0 st: 1 ts:2.836000 flags:1
 ret: 0 st: 1 dts:0.993000 pts:0.993000 pos:329501 size:209 flags:1
 ret: 0 st:-1 ts:1.730004 flags:0
-ret:-5
+ret:-32
 ret: 0 st:-1 ts:0.624171 flags:1
 ret: 0 st: 0 dts:0.600000 pts:0.600000 pos:200757 size:11166 flags:0
 ret: 0 st: 0 ts:-0.482000 flags:0
@@ -2996,7 +2996,7 @@ ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:505 size:28088 flags:1
 ret: 0 st: 0 ts:2.413000 flags:1
 ret: 0 st: 0 dts:0.960000 pts:0.960000 pos:301381 size:27897 flags:1
 ret: 0 st: 1 ts:1.307000 flags:0
-ret:-5
+ret:-32
 ret: 0 st: 1 ts:0.201000 flags:1
 ret: 0 st: 1 dts:0.183000 pts:0.183000 pos:72872 size:209 flags:1
 ret: 0 st:-1 ts:-0.904994 flags:0
@@ -3008,7 +3008,7 @@ ret: 0 st: 0 dts:0.920000 pts:0.920000 pos:290762 size:10395 flags:0
 ret: 0 st: 0 ts:-0.222000 flags:1
 ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:505 size:28088 flags:1
 ret: 0 st: 1 ts:2.672000 flags:0
-ret:-5
+ret:-32
 ret: 0 st: 1 ts:1.566000 flags:1
 ret: 0 st: 1 dts:0.993000 pts:0.993000 pos:329501 size:209 flags:1
 ret: 0 st:-1 ts:0.460008 flags:0