Fix remaining warnings

src/codegen/codegen_x86-64.c

@@ -2,6 +2,7 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include <string.h>
 #include <stdint.h>
 #include <stdlib.h>
 #define HAVE_STDARG_H

src/include/86box/86box.h

@@ -45,6 +45,13 @@
 # define ENABLE_LOG_COMMANDS	1
 #endif
 
+#ifdef MIN
+#undef MIN
+#endif
+#ifdef MAX
+#undef MAX
+#endif
+
 #define MIN(a, b)	((a) < (b) ? (a) : (b))
 #define MAX(a, b)	((a) > (b) ? (a) : (b))
 #define ABS(x)		((x) > 0 ? (x) : -(x))