rename addvar to add

packages/g/glew/xmake.lua

@@ -12,7 +12,7 @@ package("glew")
     end
 
     on_load("windows", function (package)
-        package:addvar("links", "glew32s")
+        package:add("links", "glew32s")
     end)
 
     on_install("windows", function (package)

packages/l/libuv/xmake.lua

@@ -19,8 +19,8 @@ package("libuv")
     end
 
     on_load("windows", function (package)
-        package:addvar("links", "uv_a")
-        package:addvar("syslinks", "advapi32", "iphlpapi", "psapi", "user32", "userenv", "ws2_32", "kernel32", "gdi32", "winspool", "shell32", "ole32", "oleaut32", "uuid", "comdlg32")
+        package:add("links", "uv_a")
+        package:add("syslinks", "advapi32", "iphlpapi", "psapi", "user32", "userenv", "ws2_32", "kernel32", "gdi32", "winspool", "shell32", "ole32", "oleaut32", "uuid", "comdlg32")
     end)
 
     on_install("windows", function (package)

packages/x/x265/xmake.lua

@@ -10,7 +10,7 @@ package("x265")
     add_deps("cmake", "nasm")
 
     on_load("linux", "macosx", function (package)
-        package:addvar("syslinks", "c++")
+        package:add("syslinks", "c++")
     end)
 
     on_install("linux", "macosx", function (package)