Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

1 files changed, 9 insertions, 17 deletions

diff --git a/Source/cmEnableLanguageCommand.cxx b/Source/cmEnableLanguageCommand.cxx
index dcabf6a..0ebe778 100644
--- a/Source/cmEnableLanguageCommand.cxx
+++ b/Source/cmEnableLanguageCommand.cxx
@@ -12,32 +12,24 @@
 #include "cmEnableLanguageCommand.h"
 
 // cmEnableLanguageCommand
-bool cmEnableLanguageCommand
-::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+bool cmEnableLanguageCommand::InitialPass(std::vector<std::string> const& args,
+                                          cmExecutionStatus&)
 {
   bool optional = false;
   std::vector<std::string> languages;
-  if(args.size() < 1 )
-    {
-    this->SetError
-      ("called with incorrect number of arguments");
+  if (args.size() < 1) {
+    this->SetError("called with incorrect number of arguments");
     return false;
-    }
+  }
   for (std::vector<std::string>::const_iterator it = args.begin();
-       it != args.end();
-       ++it)
-    {
-    if ((*it) == "OPTIONAL")
-      {
+       it != args.end(); ++it) {
+    if ((*it) == "OPTIONAL") {
       optional = true;
-      }
-    else
-      {
+    } else {
       languages.push_back(*it);
-      }
     }
+  }
 
   this->Makefile->EnableLanguage(languages, optional);
   return true;
 }
-