Fixed #3421

css/font-awesome.css

@@ -1510,6 +1510,7 @@
   content: "\f1cc";
 }
 .fa-life-bouy:before,
+.fa-life-buoy:before,
 .fa-life-saver:before,
 .fa-support:before,
 .fa-life-ring:before {

less/icons.less

@@ -477,6 +477,7 @@
 .@{fa-css-prefix}-codepen:before { content: @fa-var-codepen; }
 .@{fa-css-prefix}-jsfiddle:before { content: @fa-var-jsfiddle; }
 .@{fa-css-prefix}-life-bouy:before,
+.@{fa-css-prefix}-life-buoy:before,
 .@{fa-css-prefix}-life-saver:before,
 .@{fa-css-prefix}-support:before,
 .@{fa-css-prefix}-life-ring:before { content: @fa-var-life-ring; }

less/variables.less

@@ -272,6 +272,7 @@
 @fa-var-level-down: "\f149";
 @fa-var-level-up: "\f148";
 @fa-var-life-bouy: "\f1cd";
+@fa-var-life-buoy: "\f1cd";
 @fa-var-life-ring: "\f1cd";
 @fa-var-life-saver: "\f1cd";
 @fa-var-lightbulb-o: "\f0eb";

scss/_icons.scss

@@ -477,6 +477,7 @@
 .#{$fa-css-prefix}-codepen:before { content: $fa-var-codepen; }
 .#{$fa-css-prefix}-jsfiddle:before { content: $fa-var-jsfiddle; }
 .#{$fa-css-prefix}-life-bouy:before,
+.#{$fa-css-prefix}-life-buoy:before,
 .#{$fa-css-prefix}-life-saver:before,
 .#{$fa-css-prefix}-support:before,
 .#{$fa-css-prefix}-life-ring:before { content: $fa-var-life-ring; }

scss/_variables.scss

@@ -272,6 +272,7 @@ $fa-var-lemon-o: "\f094";
 $fa-var-level-down: "\f149";
 $fa-var-level-up: "\f148";
 $fa-var-life-bouy: "\f1cd";
+$fa-var-life-buoy: "\f1cd";
 $fa-var-life-ring: "\f1cd";
 $fa-var-life-saver: "\f1cd";
 $fa-var-lightbulb-o: "\f0eb";

src/icons.yml

@@ -3113,7 +3113,8 @@ icons:
     unicode:    f1cd
     created:    4.1
     aliases:
-      - life-bouy
+      - life-bouy # TODO: Deprecated - remove in 5.0.0
+      - life-buoy
       - life-saver
       - support
     categories: