arm: fix av_clipl_int32() asm

Note, the other arm asm code is likely affected too and should be changed as well.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/arm/intmath.h

@@ -106,7 +106,7 @@ static av_always_inline av_const int32_t av_clipl_int32_arm(int64_t a)
              "mvnne  %1, #1<<31             \n\t"
              "moveq  %0, %Q2                \n\t"
              "eorne  %0, %1,  %R2, asr #31  \n\t"
-             : "=r"(x), "=&r"(y) : "r"(a));
+             : "=r"(x), "=&r"(y) : "r"(a):"cc");
     return x;
 }