Fix multipart-parser-c include

Author: NotExactlySiev

Makefile

@@ -37,6 +37,7 @@ CPPFLAGS += -Ithird_party/luv/src
 CPPFLAGS += -Ithird_party/luv/deps/lua-compat-5.3/c-api
 CPPFLAGS += -Ithird_party/magic_enum/include/magic_enum
 CPPFLAGS += -Ithird_party/md4c/src
+CPPFLAGS += -Ithird_party/multipart-parser-c
 CPPFLAGS += -Ithird_party/ucl -Ithird_party/ucl/include
 CPPFLAGS += -Ithird_party/uriparser/include
 CPPFLAGS += -Ithird_party/zep/extensions

src/core/web-server.cc

@@ -39,7 +39,7 @@
 #include "llhttp/llhttp.h"
 #include "lua/luawrapper.h"
 #include <magic_enum_all.hpp>
-#include "multipart-parser-c/multipart_parser.h"
+#include <multipart_parser.h>
 #include "support/file.h"
 #include "support/hashtable.h"
 #include "support/strings-helpers.h"