Merge pull request xmake-io#3961 from calebkiage/msys-ucrt64

Fix mingw detection in ucrt64 environment

core/src/xmake/engine.c

@@ -905,6 +905,7 @@ static tb_void_t xm_engine_init_host(xm_engine_t* engine)
             // on msys?
             if (!tb_strnicmp(data, "mingw", 5) // mingw32/64 on msys2
                 || !tb_strnicmp(data, "clang", 5) // clang32/64 on msys2, @see https://github.com/xmake-io/xmake/issues/3060
+                || !tb_stricmp(data, "ucrt64")  // ucrt64 https://www.msys2.org/docs/environments/
                 || !tb_stricmp(data, "msys"))  // on msys2
                 subhost = "msys";
         }