Fixing Cmake error for OPUS_FIXED_POINT=ON

Only include floating point inner product when OPUS_FIXED_POINT is disabled.

Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>

CMakeLists.txt

@@ -507,7 +507,9 @@ if(NOT OPUS_DISABLE_INTRINSICS)
  if(OPUS_X86_MAY_HAVE_AVX2)
  add_sources_group(opus celt ${celt_sources_avx2})
  add_sources_group(opus silk ${silk_sources_avx2})
- add_sources_group(opus silk ${silk_sources_float_avx2})
+ if (NOT OPUS_FIXED_POINT)
+ add_sources_group(opus silk ${silk_sources_float_avx2})
+ endif()
  if (OPUS_DNN)
  add_sources_group(opus lpcnet ${dnn_sources_avx2})
  endif()
@@ -519,7 +521,9 @@ if(NOT OPUS_DISABLE_INTRINSICS)
  endif()
  set_source_files_properties(${celt_sources_avx2} PROPERTIES COMPILE_FLAGS ${AVX2_FLAGS})
  set_source_files_properties(${silk_sources_avx2} PROPERTIES COMPILE_FLAGS ${AVX2_FLAGS})
- set_source_files_properties(${silk_sources_float_avx2} PROPERTIES COMPILE_FLAGS ${AVX2_FLAGS})
+ if (NOT OPUS_FIXED_POINT)
+ set_source_files_properties(${silk_sources_float_avx2} PROPERTIES COMPILE_FLAGS ${AVX2_FLAGS})
+ endif()
  set_source_files_properties(${dnn_sources_avx2} PROPERTIES COMPILE_FLAGS ${AVX2_FLAGS})
  endif()
  if(OPUS_X86_PRESUME_AVX2)