Fix build on Arch

tools/quake3/common/polylib.h

@@ -22,6 +22,7 @@
 #pragma once
 
 #include "qmath.h"
+#include <vector>
 
 using winding_t = std::vector<Vector3>;
 

tools/quake3/common/vfs.h

@@ -30,6 +30,8 @@
 
 #pragma once
 
+#include <vector>
+
 void vfsInitDirectory( const char *path );
 void vfsShutdown();
 int vfsGetFileCount( const char *filename );