tbb: fix tbbmalloc_proxy on musl

[Calandracas606]

Testing the changes

• I tested the changes in this PR: YES

Local build testing

• I built this PR locally for my native architecture, aarch64-musl
• I built this PR locally for these architectures (if supported. mark crossbuilds):
  • x86_64
  • x86_64-musl
  • i686
  • aarch64
  • aarch64-musl
  • armv7l (cross)
  • armv7l-msul (cross)
  • armv6l (cross)
  • armv6l-musl (cross)

This fixes a linker error when trying to build a project with tbbmalloc_proxy on musl systems