Fix a typo in an error message

idea/testData/quickfix/migration/jsExternal/nativeMemberAll03.kt

@@ -1,6 +1,6 @@
 // "Fix with 'asDynamic'" "true"
 // JS
-// ERROR: Declaration of such kind (extension function) cant be external
+// ERROR: Declaration of such kind (extension function) can't be external
 
 external class B {
     @nativeGetter

idea/testData/quickfix/migration/jsExternal/nativeMemberAll03.kt.after

@@ -1,6 +1,6 @@
 // "Fix with 'asDynamic'" "true"
 // JS
-// ERROR: Declaration of such kind (extension function) cant be external
+// ERROR: Declaration of such kind (extension function) can't be external
 
 external class B {
 

idea/testData/quickfix/migration/jsExternal/nestedExtension01.kt

@@ -3,7 +3,7 @@
 // ACTION: Convert to block body
 // ACTION: Move to companion object
 // ACTION: Remove explicit type specification
-// ERROR: Declaration of such kind (extension function) cant be external
+// ERROR: Declaration of such kind (extension function) can't be external
 
 external class A {
     fun A.<caret>bar(): Nothing = definedExternally

js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/DefaultErrorMessagesJs.kt

@@ -26,7 +26,7 @@ private val DIAGNOSTIC_FACTORY_TO_RENDERER by lazy {
         put(ErrorsJs.NOT_SUPPORTED, "Cannot translate (not supported yet): ''{0}''", RenderFirstLineOfElementText)
         put(ErrorsJs.JSCODE_NO_JAVASCRIPT_PRODUCED, "Argument must be non-empty JavaScript code")
         put(ErrorsJs.NESTED_EXTERNAL_DECLARATION, "Non top-level `external` declaration")
-        put(ErrorsJs.WRONG_EXTERNAL_DECLARATION, "Declaration of such kind ({0}) can't be external", Renderers.STRING)
+        put(ErrorsJs.WRONG_EXTERNAL_DECLARATION, "Declaration of such kind ({0}) can''t be external", Renderers.STRING)
         put(ErrorsJs.EXTENSION_FUNCTION_IN_EXTERNAL_DECLARATION, "Function types with receiver are prohibited in external declarations")
         put(ErrorsJs.INLINE_CLASS_IN_EXTERNAL_DECLARATION, "Using inline classes as parameter type or return type of external declarations is not supported")