fix bug for windows

Makefile

@@ -8,14 +8,6 @@ FLEX_TOOL = flex
 
 CFILES = external/xxhash/xxhash.c external/cwalk/src/cwalk.c external/libdye/src/dye.c $(shell find src -name '*.c')
 
-# If target is "windows", override FLEX_TOOL
-ifeq ($(MAKECMDGOALS),windows)
-	BINARY = bin/argon.exe
-    FLEX_TOOL = win_flex
-
-	CFILES = external/xxhash/xxhash.c external/cwalk/src/cwalk.c external/libdye/src/dye.c $(shell dir /b /s src\*.c)
-endif
-
 LEXER_SRC = src/lexer/lex.l
 LEXER_C = src/lexer/lex.yy.c
 LEXER_H = src/lexer/lex.yy.h

src/runtime/call/call.c

@@ -16,8 +16,9 @@
 #include <string.h>
 
 #if defined(_WIN32)
-#include <psapi.h>
+#define _WIN32_WINNT 0x0602
 #include <windows.h>
+#include <psapi.h>
 
 double get_memory_usage_mb() {
   PROCESS_MEMORY_COUNTERS pmc;