Omit "int" when using "unsigned" modifier

Source/wtf/text/StringBuilder.cpp

Index: Source/wtf/text/StringBuilder.cpp
diff --git a/Source/wtf/text/StringBuilder.cpp b/Source/wtf/text/StringBuilder.cpp
index 0ab0b055d7c509a990ca8ba4c9b716902bf12925..8f3c522bdfdb4b400974d96f1e27837074dd668a 100644
--- a/Source/wtf/text/StringBuilder.cpp
+++ b/Source/wtf/text/StringBuilder.cpp
@@ -321,7 +321,7 @@ void StringBuilder::appendNumber(int number)
     numberToStringSigned<StringBuilder>(number, this);
 }
 
-void StringBuilder::appendNumber(unsigned int number)
+void StringBuilder::appendNumber(unsigned number)
 {
     numberToStringUnsigned<StringBuilder>(number, this);
 }