Fixed typo with OWM Beaufort mappings.

css/weather-icons.css

@@ -506,43 +506,43 @@
 .wi-umbrella:before {
   content: ""; }
 
-.wi-wind-beaufort-0:before {
+.wi-wind-beaufort-0:before, .wi-owm-951:before {
   content: ""; }
 
 .wi-wind-beaufort-1:before {
   content: ""; }
 
-.wi-wind-beaufort-2:before {
+.wi-wind-beaufort-2:before, .wi-owm-952:before {
   content: ""; }
 
-.wi-wind-beaufort-3:before {
+.wi-wind-beaufort-3:before, .wi-owm-953:before {
   content: ""; }
 
-.wi-wind-beaufort-4:before {
+.wi-wind-beaufort-4:before, .wi-owm-954:before {
   content: ""; }
 
-.wi-wind-beaufort-5:before {
+.wi-wind-beaufort-5:before, .wi-owm-955:before {
   content: ""; }
 
-.wi-wind-beaufort-6:before {
+.wi-wind-beaufort-6:before, .wi-owm-956:before {
   content: ""; }
 
-.wi-wind-beaufort-7:before {
+.wi-wind-beaufort-7:before, .wi-owm-957:before {
   content: ""; }
 
-.wi-wind-beaufort-8:before {
+.wi-wind-beaufort-8:before, .wi-owm-958:before {
   content: ""; }
 
-.wi-wind-beaufort-9:before {
+.wi-wind-beaufort-9:before, .wi-owm-959:before {
   content: ""; }
 
-.wi-wind-beaufort-10:before {
+.wi-wind-beaufort-10:before, .wi-owm-960:before {
   content: ""; }
 
-.wi-wind-beaufort-11:before {
+.wi-wind-beaufort-11:before, .wi-owm-961:before {
   content: ""; }
 
-.wi-wind-beaufort-12:before {
+.wi-wind-beaufort-12:before, .wi-owm-962:before {
   content: ""; }
 
 .wi-wind-default:before {