arm/intmath: disable av_clip_uintp2_arm with config_small

The code otherwise breaks compilation (gcc 4.5 tested but probably any compiler)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/arm/intmath.h

@@ -75,6 +75,7 @@ static av_always_inline av_const int16_t av_clip_int16_arm(int a)
     return x;
 }
 
+#if !CONFIG_SMALL //the code below cannot be compiled without always_inline
 #define av_clip_uintp2 av_clip_uintp2_arm
 static av_always_inline av_const unsigned av_clip_uintp2_arm(int a, int p)
 {
@@ -82,7 +83,7 @@ static av_always_inline av_const unsigned av_clip_uintp2_arm(int a, int p)
     __asm__ ("usat %0, %2, %1" : "=r"(x) : "r"(a), "i"(p));
     return x;
 }
-
+#endif //!CONFIG_SMALL
 
 #else /* HAVE_ARMV6 */