Fix a repeated spelling error

pkg/analyzer/lib/src/generated/error.dart

Index: pkg/analyzer/lib/src/generated/error.dart
diff --git a/pkg/analyzer/lib/src/generated/error.dart b/pkg/analyzer/lib/src/generated/error.dart
index b8ea0bf5fdd6261b84a302ac5339c081bb5c7346..84df1f97914ccf0b3227f71543759f5b5edfa097 100644
--- a/pkg/analyzer/lib/src/generated/error.dart
+++ b/pkg/analyzer/lib/src/generated/error.dart
@@ -602,7 +602,7 @@ class CompileTimeErrorCode extends ErrorCode {
    */
   static const CompileTimeErrorCode CONFLICTING_TYPE_VARIABLE_AND_CLASS =
       const CompileTimeErrorCode('CONFLICTING_TYPE_VARIABLE_AND_CLASS',
-          "'{0}' cannot be used to name a type varaible in a class with the same name");
+          "'{0}' cannot be used to name a type variable in a class with the same name");
 
   /**
    * 7. Classes: It is a compile time error if a generic class declares a type
@@ -611,7 +611,7 @@ class CompileTimeErrorCode extends ErrorCode {
    */
   static const CompileTimeErrorCode CONFLICTING_TYPE_VARIABLE_AND_MEMBER =
       const CompileTimeErrorCode('CONFLICTING_TYPE_VARIABLE_AND_MEMBER',
-          "'{0}' cannot be used to name a type varaible and member in this class");
+          "'{0}' cannot be used to name a type variable and member in this class");
 
   /**
    * 12.11.2 Const: It is a compile-time error if evaluation of a constant
@@ -3097,7 +3097,7 @@ class HintCode extends ErrorCode {
       "The stack trace variable '{0}' is not used and can be removed");
 
   /**
-   * Unused local variables are local varaibles which are never read.
+   * Unused local variables are local variables which are never read.
    */
   static const HintCode UNUSED_LOCAL_VARIABLE = const HintCode(
       'UNUSED_LOCAL_VARIABLE',