Suppress another error from Microsoft's headers.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a67abc35d4ed7235fa5835a02742301fabafe008..de985e093357f9975508fb389edca388b78535db 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1588,6 +1588,10 @@ if(EXISTS ${CMAKE_SOURCE_DIR}/.devel)
         #
         check_and_add_compiler_option(-wd4255)
         #
+        # Windows FD_SET() generates this, so we suppress it.
+        #
+        check_and_add_compiler_option(-wd4548)
+        #
         # Perhaps testing something #defined to be 0 with #ifdef is an
         # error, and it should be tested with #if, but perhaps it's
         # not, and Microsoft does that in its headers, so we squelch