[Ada] PR ada/102073

[Pierre-Marie de Rodat via Gcc-patches]

Add missing return statements in socket.c as flagged by cppcheck.

Tested on x86_64-pc-linux-gnu, committed on trunk

gcc/ada/

        PR ada/102073
        * socket.c (__gnat_gethostbyaddr, __gnat_inet_pton): Add missing
        return statements.
diff --git a/gcc/ada/socket.c b/gcc/ada/socket.c
--- a/gcc/ada/socket.c
+++ b/gcc/ada/socket.c
@@ -314,6 +314,7 @@ __gnat_gethostbyaddr (const char *addr, int len, int type,
   ret->h_addrtype  = AF_INET;
   ret->h_length    = 4;
   ret->h_addr_list = &vxw_h_addr_list;
+  return 0;
 }
 
 int
@@ -587,6 +588,9 @@ __gnat_inet_pton (int af, const char *src, void *dst) {
     *(in_addr_t *)dst = addr;
   }
   return rc;
+
+#else
+  return -1;
 #endif
 }
 #endif