llvm-c/DebugInfo.h: Fix warning. [-Wdocumentation]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317191 91177308-0d34-0410-b5e6-96231b3b80d8

Author: chapuni

include/llvm-c/DebugInfo.h

@@ -143,7 +143,7 @@ void LLVMDIBuilderFinalize(LLVMDIBuilderRef Builder);
 /// information generated during this instance of compilation.
 /// \param Lang          Source programming language, eg.
 ///                      \c LLVMDWARFSourceLanguageC99
-/// \param File          File info.
+/// \param FileRef       File info.
 /// \param Producer      Identify the producer of debugging information
 ///                      and code.  Usually this is a compiler
 ///                      version string.