function names start with a lower case letter ; NFC

llvm-svn: 257497
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 1047120..e38ff0a 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -79,7 +79,7 @@
   if (CGM.getCodeGenOpts().ReciprocalMath) {
     FMF.setAllowReciprocal();
   }
-  Builder.SetFastMathFlags(FMF);
+  Builder.setFastMathFlags(FMF);
 }
 
 CodeGenFunction::~CodeGenFunction() {