Second shot at fixing macOS compilation

src/include/tinyglib.h

@@ -25,7 +25,6 @@
 #include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
 #define HAVE_STDARG_H
 #include <86box/86box.h>

src/network/slirp/misc.c

@@ -388,4 +388,4 @@ int slirp_bind_outbound(struct socket *so, unsigned short af)
         ret = bind(so->s, addr, addr_size);
     }
     return ret;
-}
+}

src/network/slirp/tinyglib.c

@@ -15,7 +15,7 @@
  *		Copyright 2020 RichardG.
  */
 #include <tinyglib.h>
-
+#include <string.h>
 
 /* Must be a function, as libslirp redefines it as a macro. */
 gboolean

src/network/slirp/util.c

@@ -31,6 +31,7 @@
 #include <tinyglib.h>
 #include <fcntl.h>
 #include <stdint.h>
+#include <string.h>
 
 #if defined(_WIN32)
 int slirp_inet_aton(const char *cp, struct in_addr *ia)