Format all lines with trailing whitespace

This is the result of:

    git grep -n "\s$" | grep-format

No functional change.

iwyu_output.cc

@@ -660,8 +660,8 @@ void IwyuFileInfo::ReportFullSymbolUse(SourceLocation use_loc,
 void IwyuFileInfo::ReportFullSymbolUse(SourceLocation use_loc,
                                        const FileEntry* dfn_file,
                                        const string& symbol) {
-  symbol_uses_.push_back(OneUse(symbol, dfn_file, 
-                                GetFilePath(dfn_file), use_loc));
+  symbol_uses_.push_back(
+      OneUse(symbol, dfn_file, GetFilePath(dfn_file), use_loc));
   LogSymbolUse("Marked full-info use of symbol", symbol_uses_.back());
 }
 

iwyu_preprocessor.cc

@@ -822,7 +822,7 @@ void IwyuPreprocessorInfo::FileChanged_ExitToFile(
          "begin_exports without an end_exports");
     begin_exports_location_stack_.pop();
   }
-  
+
   if (HasOpenBeginKeep(exiting_from)) {
     Warn(begin_keep_location_stack_.top(),
          "begin_keep without an end_keep");

iwyu_preprocessor.h

@@ -356,7 +356,7 @@ class IwyuPreprocessorInfo : public clang::PPCallbacks,
   // per file in the current inclusion chain..
   stack<clang::SourceLocation> begin_exports_location_stack_;
 
-  // For processing pragmas. It is the current stack of open "begin_keep"s.     
+  // For processing pragmas. It is the current stack of open "begin_keep"s.
   // There should be at most one item in this stack per file in the current
   // inclusion chain.
   stack<clang::SourceLocation> begin_keep_location_stack_;

tests/cxx/pragma_keep_multi.cc

@@ -61,7 +61,7 @@ class FakeClass7;
 
 class AnotherFakeClass;
 
-/**** IWYU_SUMMARY 
+/**** IWYU_SUMMARY
 tests/cxx/pragma_keep_multi.cc should add these lines:
 
 tests/cxx/pragma_keep_multi.cc should remove these lines:
@@ -86,4 +86,3 @@ class FakeClass7;  // lines XX-XX
 class FakeClass;  // lines XX-XX
 
 ***** IWYU_SUMMARY */
-

tests/cxx/using_aliased_symbol.cc

@@ -15,7 +15,7 @@
 
 #include "using_aliased_symbol-alias.h"
 
-void use_symbol() {  
+void use_symbol() {
   // IWYU: ns::symbol is defined in ...*using_aliased_symbol-declare.h", which isn't directly #included.
   ns2::symbol();
 }

tests/cxx/using_aliased_symbol_unused.cc

@@ -14,8 +14,7 @@
 
 #include "using_aliased_symbol-alias.h"
 
-void not_use_symbol() {  
-
+void not_use_symbol() {
 }
 
 /**** IWYU_SUMMARY

tests/cxx/using_overload_multiple.cc

@@ -7,14 +7,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-// Tests that when we use multiple function overloads through a using decl, 
+// Tests that when we use multiple function overloads through a using decl,
 // that we correctly include all of the necessary files for the overload and
 // don't accidentally remove files greedily.
 
 #include "using_overload-float.h"
 #include "using_overload-int.h"
 
-void use_overload() {  
+void use_overload() {
   int a = 1;
   int b = 2;
   float c = 1.f;

tests/cxx/using_overload_single.cc

@@ -15,7 +15,7 @@
 #include "using_overload-float.h"
 #include "using_overload-int.h"
 
-void use_overload() {  
+void use_overload() {
   int a = 1;
   int b = 2;
   using ns::add;

tests/cxx/using_unused.cc

@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-// Tests that when we import a name via a using statement, IWYU tells us we 
+// Tests that when we import a name via a using statement, IWYU tells us we
 // need to include the original thing we're referencing, despite the fact that
 // it's not actually used.