Added setting of the window title in Cygwin

lib/termsupport.zsh

@@ -9,7 +9,7 @@
 function title {
   emulate -L zsh
   setopt prompt_subst
-  
+
   [[ "$EMACS" == *term* ]] && return
 
   # if $2 is unset use $1 as default
@@ -18,7 +18,7 @@ function title {
 
   if [[ "$TERM" == screen* ]]; then
     print -Pn "\ek$1:q\e\\" #set screen hardstatus, usually truncated at 20 chars
-  elif [[ "$TERM" == xterm* ]] || [[ "$TERM" == putty* ]] || [[ "$TERM" == rxvt* ]] || [[ "$TERM" == ansi ]] || [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
+  elif [[ "$TERM" == xterm* ]] || [[ "$TERM" == putty* ]] || [[ "$TERM" == rxvt* ]] || [[ "$TERM" == ansi ]] || [[ "$TERM" == cygwin ]] || [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
     print -Pn "\e]2;$2:q\a" #set window name
     print -Pn "\e]1;$1:q\a" #set icon (=tab) name
   fi