bug 428683 - red SeaMonkey cygwin tinderbox - make the definition for cygwin match others in configure.in (no influence on default builds or nightlies, which are all MSYS now), r=ted a=beltzner

configure.in

@@ -2119,7 +2119,7 @@ case "$target" in
 
 
     case "$host_os" in
-    cygwin*)
+    cygwin*|msvc*|mks*)
         AC_MSG_WARN([Using a cygwin build environment is unsupported. Configure cannot check for the presence of necessary headers. Please upgrade to MozillaBuild; see http://developer.mozilla.org/en/docs/Windows_Build_Prerequisites])
         ;;