Change return statement, the REP_RET is a mistake since the else case (x86-64,

sse2) doesn't actually loop, so REP_RET isn't necessary.

Originally committed as revision 24268 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/x86/vp8dsp.asm

@@ -1806,10 +1806,8 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4
 
 %ifndef m8 ; sse2 on x86-32 or mmx/mmxext
     mov             rsp, r4          ; restore stack pointer
-    RET
-%else ; sse2 on x86-64
-    REP_RET
 %endif
+    RET
 %endmacro
 
 INIT_MMX