Platform: deprecate typo'd key name in GlfwApplication.

Ugh.

doc/changelog.dox

@@ -166,9 +166,12 @@ See also:
 
 @subsection changelog-latest-deprecated Deprecated APIs
 
--   `TextureTools::distanceField()` is deprecated due to inefficiency of its
-    statelessness when doing batch processing. Use the
+-   @cpp TextureTools::distanceField() @ce is deprecated due to inefficiency of
+    its statelessness when doing batch processing. Use the
     @ref TextureTools::DistanceField class instead.
+-   @cpp Platform::GlfwApplication::KeyEvent::Key::Smicolon @ce has a typo and
+    so is deprecated in favor of
+    @ref Platform::GlfwApplication::KeyEvent::Key::Semicolon
 
 @subsection changelog-latest-compatibility Potential compatibility breakages, removed APIs
 

src/Magnum/Platform/GlfwApplication.h

@@ -1408,7 +1408,15 @@ class GlfwApplication::KeyEvent: public GlfwApplication::InputEvent {
             Slash = GLFW_KEY_SLASH,             /**< Slash */
             /* Note: This may only be represented as SHIFT + 5 */
             Percent = '%',                      /**< Percent */
-            Smicolon = GLFW_KEY_SEMICOLON,      /**< Semicolon */
+            Semicolon = GLFW_KEY_SEMICOLON,     /**< Semicolon */
+
+            #ifdef MAGNUM_BUILD_DEPRECATED
+            /** Semicolon
+             * @deprecated Use @ref Key::Semicolon instead.
+             */
+            Smicolon CORRADE_DEPRECATED_ENUM("use Key::Semicolon instead") = Semicolon,
+            #endif
+
             Equal = GLFW_KEY_EQUAL,             /**< Equal */
 
             Zero = GLFW_KEY_0,                  /**< Zero */