fix timepicker validate style

style/components/form.less

@@ -324,6 +324,11 @@ form {
     color: @warning-color;
   }
 
+  // ant-timepicker
+  .@{timepicker-prefix-cls}-picker-icon:after {
+    color: @warning-color;
+  }
+
   // ant-input-number
   .@{input-number-prefix-cls} {
     border-color: @warning-color;
@@ -359,6 +364,11 @@ form {
     color: @error-color;
   }
 
+  // ant-timepicker
+  .@{timepicker-prefix-cls}-picker-icon:after {
+    color: @error-color;
+  }
+
   // ant-input-number
   .@{input-number-prefix-cls} {
     border-color: @error-color;

style/components/index.less

@@ -4,6 +4,7 @@
 @import "progress";
 @import "select";
 @import "datepicker";
+@import "timepicker";
 @import "dialog";
 @import "confirm";
 @import "tabs";
@@ -36,4 +37,3 @@
 @import "timeline";
 @import "spin";
 @import "calendar";
-@import "timepicker";