fix broken script with brackets

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43602 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/build/script/win_docs.bat b/build/script/win_docs.bat
index e9bf87f577e298c50a4ed70dbc625fb5e4916043..9c04be8c7cd21e34c7210ebcc95486505e925d95 100644 (file)
--- a/build/script/win_docs.bat
+++ b/build/script/win_docs.bat
@@ -1,6 +1,6 @@
 rem Uncomment the next line to set the version; used also in wxWidgets.iss
 rem SET WXW_VER=2.8.0
-if %WXW_VER%=="" SET WXW_VER=CVS
+if (%WXW_VER%)==() SET WXW_VER=CVS
 
 echo docs building for %WXW_VER%