lib: libco: sync changes for FreeBSD and non-gcc compilers
#define text_section __declspec(allocate(".text"))
#elif defined(__APPLE__) && defined(__MACH__)
#define text_section __attribute__((section("__TEXT,__text")))
+#elif defined(__clang__)
+ #define text_section __attribute__((section(".text")))
#else
#define text_section __attribute__((section(".text#")))
#endif
