Rename -dependency-graphviz to -dependencncy-dot

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149645 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 662095e..3d36340 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -233,8 +233,8 @@
 
 def dependency_file : Separate<"-dependency-file">,
   HelpText<"Filename (or -) to write dependency output to">;
-def dependency_graphviz : Separate<"-dependency-graphviz">,
-  HelpText<"Filename to write GraphViz-formatted header dependencies to">;
+def dependency_dot : Separate<"-dependency-dot">,
+  HelpText<"Filename to write DOT-formatted header dependencies to">;
 def sys_header_deps : Flag<"-sys-header-deps">,
   HelpText<"Include system headers in dependency output">;
 def header_include_file : Separate<"-header-include-file">,