vf_fspp: fix compilation with llvm

libavfilter/libmpcodecs/vf_fspp.c

@@ -710,8 +710,8 @@ const vf_info_t vf_info_fspp = {
 #if HAVE_MMX
 
 DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_382683433)=FIX64(0.382683433, 14);
-DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_541196100)=FIX64(0.541196100, 14);
-DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_707106781)=FIX64(0.707106781, 14);
+DECLARE_ALIGNED(8, uint64_t, MM_FIX_0_541196100)=FIX64(0.541196100, 14);
+DECLARE_ALIGNED(8, uint64_t, MM_FIX_0_707106781)=FIX64(0.707106781, 14);
 DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_306562965)=FIX64(1.306562965, 14);
 
 DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562_A)=FIX64(1.414213562, 14);