Problem: mismatching declarations and definitions break Solaris Studio build

Solution: add missing const qualifier to internal functions

src/options.hpp

@@ -288,11 +288,11 @@ int do_getsockopt (void *const optval_,
 
 int do_setsockopt_int_as_bool_strict (const void *const optval_,
                                       const size_t optvallen_,
-                                      bool *out_value_);
+                                      bool *const out_value_);
 
 int do_setsockopt_int_as_bool_relaxed (const void *const optval_,
                                        const size_t optvallen_,
-                                       bool *out_value_);
+                                       bool *const out_value_);
 }
 
 #endif

src/tcp.hpp

@@ -67,7 +67,7 @@ int tcp_read (fd_t s_, void *data_, size_t size_);
 //  on network errors such as reset or aborted connections.
 void tcp_assert_tuning_error (fd_t s_, int rc_);
 
-void tcp_tune_loopback_fast_path (fd_t socket_);
+void tcp_tune_loopback_fast_path (const fd_t socket_);
 }
 
 #endif