Fix trailing whitespace in scripts and misc. files

Source/wtf/dtoa/diy-fp.cc

Index: Source/wtf/dtoa/diy-fp.cc
diff --git a/Source/wtf/dtoa/diy-fp.cc b/Source/wtf/dtoa/diy-fp.cc
index c0233595f98ba26ccb43aa94487837d63d5a7529..e6a6661444a612bc5e3cc572eb848ca673cda45a 100644
--- a/Source/wtf/dtoa/diy-fp.cc
+++ b/Source/wtf/dtoa/diy-fp.cc
@@ -33,7 +33,7 @@
 namespace WTF {
 
 namespace double_conversion {
-    
+
     void DiyFp::Multiply(const DiyFp& other) {
         // Simply "emulates" a 128 bit multiplication.
         // However: the resulting number only contains 64 bits. The least
@@ -56,7 +56,7 @@ namespace double_conversion {
         e_ += other.e_ + 64;
         f_ = result_f;
     }
-    
+
 }  // namespace double_conversion
 
 } // namespace WTF