Fix issues on win

Author: FrancescAlted

bench/b2nd/bench_stack_append_openzl.c

@@ -14,6 +14,13 @@
 
 #include <inttypes.h>
 #include <limits.h>
+#ifndef PATH_MAX
+  #ifdef _WIN32
+    #define PATH_MAX MAX_PATH
+  #else
+    #define PATH_MAX 4096
+  #endif
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>