Including linux/prrctl.h and sys/prctl.h with musl results in the redifinition
of `struct prctl_mm_map`.
--- a/third_party/libwebrtc/rtc_base/platform_thread_types.cc
+++ b/third_party/libwebrtc/rtc_base/platform_thread_types.cc
@@ -12,7 +12,9 @@
 
 // IWYU pragma: begin_keep
 #if defined(WEBRTC_LINUX)
+#if defined(__GLIBC__)
 #include <linux/prctl.h>
+#endif
 #include <sys/prctl.h>
 #include <sys/syscall.h>